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Quick Grommet Finder
For your convenience, our grommets have been organized in columns for each of the key dimensions and arranged from small to large. Select your key dimensions, look in the appropriate column and you will find the remaining dimensions plus the part number listed.
How to Use
One or two key dimensions dictate the choice of a grommet. This may be:
- (A) Inside diameter
- (B) Width of groove
- (C) Groove diameter
- (D) Outside diameter
- (E) Thickness
For additional information turn to the Part Number Index for the page on which that grommet is illustrated full scale, with a cut-away view.
Available Products
Quick Grommet Finder
For your convenience, our grommets have been organized in columns for each of the key dimensions and arranged from small to large. Select your key dimensions, look in the appropriate column and you will find the remaining dimensions plus the part number listed. For additional information turn to the Part Number Index for the page on which that grommet is illustrated full scale, with a cut-away view. HOW TO USE One or two key dimensions dictate the choice of a grommet. This may be (A) inside diameter (B) width of groove (C) groove diameter (D) outside diameter (E) thickness
Product Code: quickgrommet
| Image | Inside Diameter | Groove Width | Groove Diameter | Outside Diameter | Overall Thickness | Part No | Add to Quote |
|---|---|---|---|---|---|---|---|
 | 7/64 | 3/64 | 1/2 | 11/16 | 9/32 | NRC-G-5081 | |
 | 1/8 | 1/32 | 3/16 | 1/4 | 3/32 | NRC-G-5082 | |
 | 1/8 | 1/16 | 7/16 | 5/8 | 3/16 | NRC-G-5083 | |
 | 1/8 | 1/16 | 1-1/4 | 1/4 | NRC-G-5084 | ||
 | 1/8 | 3/32 | 3/8 | 1/2 | 5/16 | NRC-G-5085 | |
 | 1/8 | 9/32 | 3/8 | 1/2 | 1/2 | NRC-G-5086 | |
 | 5/32 | 1/16 | 1/4 | 3/8 | 3/16 | NRC-G-5087 | |
 | 5/32 | 3/32 | 1/4 | 7/16 | 3/8 | NRC-G-5088 | |
 | 3/16 | 1/32 | 5/16 | 7/16 | 7/32 | NRC-G-5089 | |
 | 3/16 | 1/32 | 11/16 | 7/8 | 7/32 | NRC-G-5090 | |
 | 3/16 | 1/16 | 9/32 | 7/16 | 7/32 | NRC-G-5091 | |
 | 3/16 | 1/16 | 5/16 | 7/16 | 3/16 | NRC-G-5092 | |
 | 3/16 | 1/16 | 5/16 | 1/2 | 1/4 | NRC-G-5093 | |
 | 3/16 | 1/16 | 9/16 | 3/4 | 3/16 | NRC-G-5094 | |
 | 3/16 | 3/32 | 9/32 | 7/16 | 7/32 | NRC-G-5095 | |
 | 3/16 | 3/32 | 11/32 | 5/8 | 3/8 | NRC-G-5096 | |
 | 3/16 | 1/8 | 5/16 | 7/16 | 1/4 | NRC-G-5097 | |
 | 3/16 | 3/16 | 5/16 | 7/16 | 5/16 | NRC-G-5098 | |
 | 3/16 | 3/16 | 3/8 | 5/8 | 3/8 | NRC-G-5099 | |
 | 3/16 | 1/4 | 5/16 | 7/16 | 3/8 | NRC-G-5100 | |
 | 3/16 | 1/8 | 5/8 | 7/8 | 1/4 | NRC-G-5101 | |
 | 13/64 | 1/8 | 13/32 | 9/16 | 3/8 | NRC-G-5102 | |
 | 7/32 | 1/16 | 5/16 | 7/16 | 3/16 | NRC-G-5103 | |
 | 15/64 | 3/16 | 3/8 | 5/8 | 3/8 | NRC-G-5104 | |
 | 1/4 | 1/16 | 3/8+ | 1/2 | 1/4 | NRC-G-5105 | |
 | 1/4 | 1/16 | 7/16 | 5/8 | 3/16 | NRC-G-5106 | |
 | 1/4 | 1/16 | 1-1/4 | 1/4 | NRC-G-5107 | ||
 | 1/4 | 3/32 | 3/8+ | 1/2 | 1/4 | NRC-G-5108 | |
 | 1/4 | 1/8 | 3/8+ | 1/2 | 1/4 | NRC-G-5109 | |
 | 1/4 | 1/4 | 7/16 | 5/8 | 3/8 | NRC-G-5110 | |
 | 1/4 | 1/4 | 15/32 | 5/8 | 1/2 | NRC-G-5111 | |
 | 1/4 | 1/8 | 7/16 | 5/8 | 1/4 | NRC-G-5112 | |
 | 1/4 | 3/16 | 7/16 | 5/8 | 5/16 | NRC-G-5113 | |
 | 9/32 | 1/4 | 15/32 | 11/16 | 7/16 | NRC-G-5114 | |
 | 9/32 | 1/16 | 3/8 | 9/16 | 1/4 | NRC-G-5115 | |
 | 5/16 | 1/16 | 7/16 | 9/16 | 3/16 | NRC-G-5116 | |
 | 5/16 | 1/16 | 7/16 | 5/8 | 9/32 | NRC-G-5117 | |
 | 5/16 | 1/16 | 9/16 | 13/16 | 5/16 | NRC-G-5118 | |
 | 5/16 | 1/16 | 3/4 | 5/16 | NRC-G-5119 | ||
 | 5/16 | 3/32 | 7/16 | 5/8 | 5/16 | NRC-G-5120 | |
 | 5/16 | 3/32 | 15/32 | 3/4 | 11/32 | NRC-G-5121 | |
 | 5/16 | 1/8 | 9/16 | 13/16 | 3/8 | NRC-G-5122 | |
 | 5/16 | 1/8 | 3/4 | 3/8 | NRC-G-5123 | ||
 | 5/16 | 3/16 | 9/16 | 13/16 | 3/8 | NRC-G-5124 | |
 | 5/16 | 3/16 | 9/16 | 13/16 | 7/16 | NRC-G-5125 | |
 | 5/16 | 3/16 | 3/4 | 7/16 | NRC-G-5126 | ||
 | 5/16 | 1/4 | 9/16 | 13/16 | 1/2 | NRC-G-5127 | |
 | 5/16 | 1/4 | 3/4 | 1/2 | NRC-G-5128 | ||
 | 11/32 | 1/16 | 17/32 | 25/32 | 1/4 | NRC-G-5129 | |
 | 3/8 | 1/16 | 1/2 | 5/8 | 1/4 | NRC-G-5130 | |
 | 3/8 | 1/16 | 1/2 | 11/16 | 9/32 | NRC-G-5131 | |
 | 3/8 | 1/16 | 5/8 | 7/8 | 5/16 | NRC-G-5132 | |
 | 3/8 | 1/16 | 1-1/4 | 1/4 | NRC-G-5133 | ||
 | 3/8 | 3/16 | 9/16 | 13/16 | 3/8 | NRC-G-5134 | |
 | 3/8 | 1/4 | 1/2 | 3/4 | 1/2 | NRC-G-5135 | |
 | 3/8 | 1/4 | 5/8 | 7/8 | 1/2 | NRC-G-5136 | |
 | 3/8 | 3/8 | 9/16 | 3/4 | 3/4 | NRC-G-5137 | |
 | 3/8 | 1/8 | 5/8 | 7/8 | 3/8 | NRC-G-5138 | |
 | 3/8 | 3/16 | 5/8 | 7/8 | 7/16 | NRC-G-5139 | |
 | 7/16 | 1/16 | 9/16 | 3/4 | 1/4 | NRC-G-5140 | |
 | 7/16 | 1/16 | 11/16 | 15/16 | 5/16 | NRC-G-5141 | |
 | 1/2 | 1/16 | 13/16 | 1-1/16 | 5/16 | NRC-G-5142 | |
 | 1/2 | 1/16 | 1-1/4 | 1/4 | NRC-G-5143 | ||
 | 1/2 | 1/16 | 1-1/4 | 1-1/2 | 1/4 | NRC-G-5144 | |
 | 1/2 | 1/16 | 1-7/16 | 1-3/4 | 3/8 | NRC-G-5145 | |
 | 1/2 | 3/32 | 3/4 | 7/8 | 11/32 | NRC-G-5146 | |
 | 1/2 | 3/32 | 3/4 | 31/32 | 9/32 | NRC-G-5147 | |
 | 1/2 | 3/32 | 25/32 | 1-1/16 | 11/32 | NRC-G-5148 | |
 | 1/2 | 1/8 | 3/4 | 1/2 | NRC-G-5149 | ||
 | 1/2 | 1/4 | 13/16 | 1-1/16 | 1/2 | NRC-G-5150 | |
 | 1/2 | 3/8 | 3/4 | 5/8 | NRC-G-5151 | ||
 | 1/2 | 1/8 | 13/16 | 1-1/16 | 3/8 | NRC-G-5152 | |
 | 1/2 | 3/16 | 13/16 | 1-1/16 | 7/16 | NRC-G-5153 | |
 | 9/16 | 1/16 | 13/16 | 1-1/16 | 5/16 | NRC-G-5154 | |
 | 9/16 | 1/16 | 13/32 | 1-9/32 | 3/8 | NRC-G-5155 | |
 | 9/16 | 3/16 | 7/8 | 1-1/16 | 7/16 | NRC-G-5156 | |
 | 9/16 | 1/4 | 13/16 | 1-1/16 | 1/2 | NRC-G-5157 | |
 | 9/16 | 3/8 | 7/8 | 1-1/16 | 5/8 | NRC-G-5158 | |
 | 9/16 | 13/16 | 1-1/8 | 1 1/4 | NRC-G-5159 | ||
 | 9/16 | 3/16 | 13/16 | 1-1/16 | 7/16 | NRC-G-5160 | |
 | 5/8 | 1/16 | 7/8 | 1-1/8 | 5/16 | NRC-G-5161 | |
 | 5/8 | 1/16 | 1-1/4 | 1-1/2 | 1/4 | NRC-G-5162 | |
 | 5/8 | 3/32 | 31/32 | 1-1/4 | 7/16 | NRC-G-5163 | |
 | 5/8 | 1/8 | 7/8 | 1-1/8 | 3/8 | NRC-G-5164 | |
 | 5/8 | 3/16 | 7/8 | 1-1/8 | 7/16 | NRC-G-5165 | |
 | 5/8 | 1/4 | 7/8 | 1-1/8 | 1/2 | NRC-G-5166 | |
 | 5/8 | 5/16 | 29/32 | 1-1/8 | 5/8 | NRC-G-5167 | |
 | 41/64 | 1/16 | 31/32 | 1-3/16 | 5/16 | NRC-G-5168 | |
 | 41/64 | 7/64 | 57/64 | 1-1/16 | 23/64 | NRC-G-5169 | |
 | 11/16 | 1/16 | 1-5/16 | 3/8 | NRC-G-5170 | ||
 | 11/16 | 1/8 | 1-5/16 | 7/16 | NRC-G-5171 | ||
 | 11/16 | 3/16 | 1-5/16 | 1/2 | NRC-G-5172 | ||
 | 11/16 | 3/16 | 1-5/16 | 1/2 | NRC-G-5173 | ||
 | 11/16 | 1/4 | 1-5/16 | 9/16 | NRC-G-5174 | ||
 | 3/4 | 1/16 | 1-1/16 | 1-3/8 | 3/8 | NRC-G-5175 | |
 | 3/4 | 1/16 | 1-1/4 | 1-5/8 | 1/4 | NRC-G-5176 | |
 | 3/4 | 1/16 | 1-7/16 | 1-13/16 | 3/8 | NRC-G-5177 | |
 | 3/4 | 1/8 | 1-1/16 | 1-3/8 | 7/16 | NRC-G-5178 | |
 | 3/4 | 1//8 | 1-1/4 | 1-5/8 | 5/16 | NRC-G-5179 | |
 | 3/4 | 3/16 | 1-1/16 | 1-3/8 | 1/2 | NRC-G-5180 | |
 | 3/4 | 1/4 | 1-1/16 | 1-3/8 | 9/16 | NRC-G-5181 | |
 | 3/4 | 1/4 | 1-1/4 | 1-5/8 | 7/16 | NRC-G-5182 | |
 | 13/16 | 9/16 | 15/16 | 1-1/4 | 7/8 | NRC-G-5183 | |
 | 7/8 | 1/16 | 1-1/4 | 1-5/8 | 7/16 | NRC-G-5184 | |
 | 7/8 | 1/16 | 1-5/8 | 7/16 | NRC-G-5185 | ||
 | 7/8 | 5/64 | 1-3/16 | 1-3/8 | 13/32 | NRC-G-5186 | |
 | 7/8 | 1/8 | 1-1/4 | 1-5/8 | 1/2 | NRC-G-5187 | |
| 7/8 | 9/64 | 1-3/16 | 1-3/8 | 13/32 | NRC-G-5188 | |
 | 7/8 | 3/16 | 1-1/4 | 1-5/8 | 9/16 | NRC-G-5189 | |
 | 7/8 | 1/4 | 1-1/4 | 1-5/8 | 5/8 | NRC-G-5190 | |
 | 1 | 1/16 | 1-3/8 | 1-3/4 | 7/16 | NRC-G-5191 | |
 | 1 | 1/16 | 1-7/8 | 2-1/4 | 7/16 | NRC-G-5192 | |
 | 1 | 1/8 | 1-3/8 | 1-3/4 | 1/2 | NRC-G-5193 | |
 | 1 | 3/16 | 1-3/8 | 1-3/4 | 9/16 | NRC-G-5194 | |
 | 1 | 1/4 | 1-3/8 | 1-3/4 | 5/8 | NRC-G-5195 | |
 | 1 | 1/4 | 1-7/8 | 2-1/4 | 5/8 | NRC-G-5196 | |
 | 1-1/8 | 1/16 | 1-1/2 | 1-7/8 | 3/8 | NRC-G-5197 | |
 | 1-1/4 | 1/16 | 2-3/8 | 2-3/4 | 7/16 | NRC-G-5198 | |
 | 1-1/4 | 1/4 | 2-3/8 | 2-3/4 | 5/8 | NRC-G-5199 | |
 | 1-5/16 | 1/16 | 1-5/8 | 3/8 | NRC-G-5200 | ||
 | 1-5/16 | 1/8 | 1-5/8 | 7/16 | NRC-G-5201 | ||
 | 1-1/2 | 1/16 | 1-3/4 | 2-1/8 | 7/16 | NRC-G-5202 | |
 | 1-1/2 | 1/4 | 1-3/4 | 1/2 | NRC-G-5203 | ||
 | 1-1/2 | 1/4 | 1-3/4 | 2-1/8 | 5/8 | NRC-G-5204 | |
 | 1-1/2 | 1/8 | 1-3/4 | 2-1/8 | 1/2 | NRC-G-5205 | |
 | 1-1/2 | 3/16 | 1-3/4 | 2-1/8 | 9/16 | NRC-G-5206 | |
 | 2 | 3/32 | 3-5/32 | 3-5/8 | 9/32 | NRC-G-5207 | |
 | 2-1/8 | 1/16 | 2-1/2 | 2-7/8 | 7/16 | NRC-G-5208 | |
 | 2-1/8 | 1/8 | 2-1/2 | 2-7/8 | 7/16 | NRC-G-5209 | |
| 1/8 | 1/32 | 3/16 | 1/4 | 3/32 | NRC-G-5210 | |
| 3/16 | 1/32 | 5/16 | 7/16 | 7/32 | NRC-G-5211 | |
| 3/16 | 1/32 | 11/16 | 7/8 | 7/32 | NRC-G-5212 | |
| 7/64 | 3/64 | 1/2 | 11/16 | 9/32 | NRC-G-5213 | |
| 1/8 | 1/16 | 7/16 | 5/8 | 3/16 | NRC-G-5214 | |
| 1/8 | 1/16 | 1-1/4 | 1/4 | NRC-G-5215 | ||
| 5/32 | 1/16 | 1/4 | 3/8 | 3/16 | NRC-G-5216 | |
| 3/16 | 1/16 | 9/32 | 7/16 | 7/32 | NRC-G-5217 | |
| 3/16 | 1/16 | 5/16 | 7/16 | 3/16 | NRC-G-5218 | |
| 3/16 | 1/16 | 5/16 | 1/2 | 1/4 | NRC-G-5219 | |
| 3/16 | 1/16 | 9/16 | 3/4 | 3/16 | NRC-G-5220 | |
| 7/32 | 1/16 | 5/16 | 7/16 | 3/16 | NRC-G-5221 | |
| 1/4 | 1/16 | 3/8+ | 1/2 | 1/4 | NRC-G-5222 | |
| 1/4 | 1/16 | 7/16 | 5/8 | 3/16 | NRC-G-5223 | |
| 1/14 | 1/16 | 1-1/4 | 1/4 | NRC-G-5224 | ||
| 9/32 | 1/16 | 3/8 | 9/16 | 1/4 | NRC-G-5225 | |
| 5/16 | 1/16 | 7/16 | 9/16 | 3/16 | NRC-G-5226 | |
| 5/16 | 1/16 | 7/16 | 5/8 | 9/32 | NRC-G-5227 | |
| 5/16 | 1/16 | 9/16 | 13/16 | 5/16 | NRC-G-5228 | |
| 5/16 | 1/16 | 3/4 | 5/16 | NRC-G-5229 | ||
| 11/32 | 1/16 | 17/32 | 25/32 | 1/4 | NRC-G-5230 | |
| 3/8 | 1/16 | 1/2 | 5/8 | 1/4 | NRC-G-5231 | |
| 3/8 | 1/16 | 1/2 | 11/16 | 9/32 | NRC-G-5232 | |
| 3/8 | 1/16 | 5/8 | 7/8 | 5/16 | NRC-G-5233 | |
| 3/8 | 1/16 | 1-1/4 | 1/4 | NRC-G-5234 | ||
| 1/21 | 1/16 | 9/16 | 3/4 | 1/4 | NRC-G-5235 | |
| 7/16 | 1/16 | 11/16 | 15/16 | 5/16 | NRC-G-5236 | |
| 1/2 | 1/16 | 13/16 | 1-1/16 | 5/16 | NRC-G-5237 | |
| 1/2 | 1/16 | 1-1/4 | 1/4 | NRC-G-5238 | ||
| 1/2 | 1/16 | 1-1/4 | 1-1/2 | 1/4 | NRC-G-5239 | |
| 1/2 | 1/16 | 1-7/16 | 1-3/4 | 3/8 | NRC-G-5240 | |
 | 9/16 | 1/16 | 13/16 | 1-1/16 | 5/16 | NRC-G-5241 | |
| 9/16 | 1/16 | 1-3/32 | 1-9/32 | 3/8 | NRC-G-5242 | |
| 5/8 | 1/16 | 7/8 | 1-1/8 | 5/16 | NRC-G-5243 | |
| 5/8 | 1/16 | 1-1/4 | 1-1/2 | 1/4 | NRC-G-5244 | |
| 41/64 | 1/16 | 31/32 | 1-3/16 | 5/16 | NRC-G-5245 | |
| 11/16 | 1/16 | 1-5/16 | 3/8 | NRC-G-5246 | ||
| 3/4 | 1/16 | 1-1/16 | 1-3/8 | 3/8 | NRC-G-5247 | |
| 3/4 | 1/16 | 1-1/4 | 1-5/8 | 1/4 | NRC-G-5248 | |
| 3/4 | 1/16 | 1-7/16 | 1-13/16 | 3/8 | NRC-G-5249 | |
| 7/8 | 1/16 | 1-1/4 | 1-5/8 | 7/16 | NRC-G-5250 | |
| 7/8 | 1/16 | 1-5/8 | 7/16 | NRC-G-5251 | ||
| 1 | 1/16 | 1-3/8 | 1-3/4 | 7/16 | NRC-G-5252 | |
| 1 | 1/16 | 1-7/8 | 2-1/4 | 7/16 | NRC-G-5253 | |
| 1-1/8 | 1/16 | 1-1/2 | 1-7/8 | 3/8 | NRC-G-5254 | |
| 1-1/4 | 1/16 | 2-3/8 | 2-3/4 | 7/16 | NRC-G-5255 | |
| 1-5/16 | 1/16 | 1-5/8 | 3/8 | NRC-G-5256 | ||
| 1-1/2 | 1/16 | 1-3/4 | 2-1/8 | 7/16 | NRC-G-5257 | |
| 2-1/8 | 1/16 | 2-1/2 | 2-7/8 | 7/16 | NRC-G-5258 | |
| 7/8 | 5/64 | 1-3/16 | 1-3/8 | 13/32 | NRC-G-5259 | |
| 1/8 | 3/32 | 3/8 | 1/2 | 5/16 | NRC-G-5260 | |
| 5/32 | 3/32 | 1/4 | 7/16 | 3/8 | NRC-G-5261 | |
| 3/16 | 3/32 | 9/32 | 7/16 | 7/32 | NRC-G-5262 | |
| 3/16 | 3/32 | 11/32 | 5/8 | 3/8 | NRC-G-5263 | |
| 1/4 | 3/32 | 3/8+ | 1/2 | 1/4 | NRC-G-5264 | |
| 5/16 | 3/32 | 7/16 | 5/8 | 5/16 | NRC-G-5265 | |
| 5/16 | 3/32 | 15/32 | 3/4 | 11/32 | NRC-G-5266 | |
| 1/2 | 3/32 | 3/4 | 7/8 | 11/32 | NRC-G-5267 | |
| 1/2 | 3/32 | 3/4 | 31/32 | 9/32 | NRC-G-5268 | |
| 1/2 | 3/32 | 25/32 | 1-1/16 | 11/32 | NRC-G-5269 | |
| 5/8 | 3/32 | 31/32 | 1-1/4 | 7/16 | NRC-G-5270 | |
| 2 | 3/32 | 3-5/32 | 3-5/8 | 9/32 | NRC-G-5271 | |
| 41/64 | 7/64 | 57/64 | 1-1/16 | 23/64 | NRC-G-5272 | |
| 3/16 | 1/8 | 5/16 | 7/16 | 1/4 | NRC-G-5273 | |
| 13/64 | 1/8 | 13/32 | 9/16 | 3/8 | NRC-G-5274 | |
| 1/4 | 1/8 | 3/8+ | 1/2 | 1/4 | NRC-G-5275 | |
| 5/16 | 1/8 | 9/16 | 13/16 | 3/8 | NRC-G-5276 | |
| 5/16 | 1/8 | 3/4 | 3/8 | NRC-G-5277 | ||
| 1/2 | 1/8 | 3/4 | 1/2 | NRC-G-5278 | ||
| 5/8 | 1/8 | 7/8 | 1-1/8 | 3/8 | NRC-G-5279 | |
| 11/16 | 1/8 | 1-5/16 | 7/16 | NRC-G-5280 | ||
| 3/4 | 1/8 | 1-1/16 | 1-3/8 | 7/16 | NRC-G-5281 | |
| 3/4 | 1/8 | 1-1/4 | 1-5/8 | 5/16 | NRC-G-5282 | |
| 7/8 | 1/8 | 1-1/4 | 1-5/8 | 1/2 | NRC-G-5283 | |
| 1 | 1/8 | 1-3/8 | 1-3/4 | 1/2 | NRC-G-5284 | |
| 1-5/16 | 1/8 | 1-5/8 | 7/16 | NRC-G-5285 | ||
| 2-1/8 | 1/8 | 2-1/2 | 2-7/8 | 7/16 | NRC-G-5286 | |
| 3/16 | 1/8 | 5/8 | 7/8 | 1/4 | NRC-G-5287 | |
| 1/4 | 1/8 | 7/16 | 5/8 | 1/4 | NRC-G-5288 | |
| 3/8 | 1/8 | 5/8 | 7/8 | 3/8 | NRC-G-5289 | |
| 1/2 | 1/8 | 13/16 | 1-1/16 | 3/8 | NRC-G-5290 | |
| 1-1/2 | 1/8 | 1-3/4 | 2-1/8 | 1/2 | NRC-G-5291 | |
| 7/8 | 9/64 | 1-3/16 | 1-3/8 | 13/32 | NRC-G-5292 | |
| 3/16 | 3/16 | 5/16 | 7/16 | 5/16 | NRC-G-5293 | |
| 3/16 | 3/16 | 3/8 | 5/8 | 3/8 | NRC-G-5294 | |
 | 15/64 | 3/16 | 3/8 | 5/8 | 3/8 | NRC-G-5295 | |
| 5/16 | 3/16 | 9/16 | 13/16 | 3/8 | NRC-G-5296 | |
| 5/16 | 3/16 | 9/16 | 13/16 | 7/16 | NRC-G-5297 | |
| 5/16 | 3/16 | 3/4 | 7/16 | NRC-G-5298 | ||
| 3/8 | 3/16 | 9/16 | 13/16 | 3/8 | NRC-G-5299 | |
| 9/16 | 3/16 | 7/8 | 1-1/16 | 7/16 | NRC-G-5300 | |
| 5/8 | 3/16 | 7/8 | 1-1/8 | 7/16 | NRC-G-5301 | |
| 11/16 | 3/16 | 1-5/16 | 1/2 | NRC-G-5302 | ||
| 11/16 | 3/16 | 1-5/16 | 1/2 | NRC-G-5303 | ||
| 3/4 | 3/16 | 1-1/16 | 1-3/8 | 1/2 | NRC-G-5304 | |
| 7/8 | 3/16 | 1-1/4 | 1-5/8 | 9/16 | NRC-G-5305 | |
| 1 | 3/16 | 1-3/8 | 1-3/4 | 9/16 | NRC-G-5306 | |
| 1/4 | 3/16 | 7/16 | 5/8 | 5/16 | NRC-G-5307 | |
| 3/8 | 3/16 | 5/8 | 7/8 | 7/16 | NRC-G-5308 | |
| 1/2 | 3/16 | 13/16 | 1-1/16 | 7/16 | NRC-G-5309 | |
| 9/16 | 3/16 | 13/16 | 1-1/16 | 7/16 | NRC-G-5310 | |
| 1-1/2 | 3/16 | 1-3/4 | 2-1//8 | 9/16 | NRC-G-5311 | |
| 3/16 | 1/4 | 5/16 | 7/16 | 3/8 | NRC-G-5312 | |
| 1/4 | 1/4 | 7/16 | 5/8 | 3/8 | NRC-G-5313 | |
| 1/4 | 1/4 | 15/32 | 5/8 | 1/2 | NRC-G-5314 | |
| 9/32 | 1/4 | 15/32 | 11/16 | 7/16 | NRC-G-5315 | |
| 5/16 | 1/4 | 9/16 | 13/16 | 1/2 | NRC-G-5316 | |
| 5/16 | 1/4 | 3/4 | 1/2 | NRC-G-5317 | ||
| 3/8 | 1/4 | 1/2 | 3/4 | 1/2 | NRC-G-5318 | |
| 3/8 | 1/4 | 5/8 | 7/8 | 1/2 | NRC-G-5319 | |
| 1/2 | 1/4 | 13/16 | 1-1/16 | 1/2 | NRC-G-5320 | |
| 9/16 | 1/4 | 13/16 | 1-1/16 | 1/2 | NRC-G-5321 | |
| 5/8 | 1/4 | 7/8 | 1-1/8 | 1/2 | NRC-G-5322 | |
| 11/16 | 1/4 | 1-5/16 | 9/16 | NRC-G-5323 | ||
| 3/4 | 1/4 | 1-1/16 | 1-3/8 | 9/16 | NRC-G-5324 | |
| 3/4 | 1/4 | 1-1/4 | 1-5/8 | 7/16 | NRC-G-5325 | |
| 7/8 | 1/4 | 1-1/4 | 1-5/8 | 5/8 | NRC-G-5326 | |
| 1 | 1/4 | 1-3/8 | 1-3/4 | 5/8 | NRC-G-5327 | |
| 1 | 1/4 | 1-7/8 | 2-1/4 | 5/8 | NRC-G-5328 | |
| 1-1/4 | 1/4 | 2-3/8 | 2-3/4 | 5/8 | NRC-G-5329 | |
| 1-1/2 | 1/4 | 1-3/4 | 1/2 | NRC-G-5330 | ||
| 1-1/2 | 1/4 | 1-3/4 | 2-1/8 | 5/8 | NRC-G-5331 | |
| 1/8 | 9/32 | 3/8 | 1/2 | 1/2 | NRC-G-5332 | |
| 5/8 | 5/16 | 29/32 | 1-1/8 | 5/8 | NRC-G-5333 | |
| 3/8 | 3/8 | 9/16 | 3/4 | 3/4 | NRC-G-5334 | |
| 1/2 | 3/8 | 3/4 | 5/8 | NRC-G-5335 | ||
| 9/16 | 3/8 | 7/8 | 1-1/16 | 5/8 | NRC-G-5336 | |
| 13/16 | 9/16 | 15/16 | 1-1/4 | 7/8 | NRC-G-5337 | |
| 9/16 | 13/16 | 1-1/8 | 1-1/4 | NRC-G-5338 | ||
| 1/8 | 1/32 | 3/16 | 1/4 | 3/32 | NRC-G-5339 | |
| 5/32 | 1/16 | 1/4 | 3/8 | 3/16 | NRC-G-5340 | |
| 5/32 | 3/32 | 1/4 | 7/16 | 3/8 | NRC-G-5341 | |
| 3/16 | 1/16 | 9/32 | 7/16 | 7/32 | NRC-G-5342 | |
| 3/16 | 3/32 | 9/32 | 7/16 | 7/32 | NRC-G-5343 | |
| 3/16 | 1/32 | 5/16 | 7/16 | 7/32 | NRC-G-5344 | |
| 3/16 | 1/16 | 5/16 | 7/16 | 3/16 | NRC-G-5345 | |
| 3/16 | 1/16 | 5/16 | 1/2 | 1/4 | NRC-G-5346 | |
| 3/16 | 1/8 | 5/16 | 7/16 | 1/4 | NRC-G-5347 | |
| 3/16 | 3/16 | 5/16 | 7/16 | 5/16 | NRC-G-5348 | |
| 3/16 | 1/4 | 5/16 | 7/16 | 3/8 | NRC-G-5349 | |
| 7/32 | 1/16 | 5/16 | 7/16 | 3/16 | NRC-G-5350 | |
| 3/16 | 3/32 | 11/32 | 5/8 | 3/8 | NRC-G-5351 | |
| 1/8 | 3/32 | 3/8 | 1/2 | 5/16 | NRC-G-5352 | |
| 1/8 | 9/32 | 3/8 | 1/2 | 1/2 | NRC-G-5353 | |
| 3/16 | 3/16 | 3/8 | 5/8 | 3/8 | NRC-G-5354 | |
| 15/64 | 3/16 | 3/8 | 5/8 | 3/8 | NRC-G-5355 | |
| 1/4 | 1/16 | 3/8+ | 1/2 | 1/4 | NRC-G-5356 | |
| 1/4 | 3/32 | 3/8+ | 1/2 | 1/4 | NRC-G-5357 | |
| 1/4 | 1/8 | 3/8+ | 1/2 | 1/4 | NRC-G-5358 | |
| 9/32 | 1/16 | 3/8 | 9/16 | 1/4 | NRC-G-5359 | |
| 13/64 | 1/8 | 13/32 | 9/16 | 3/8 | NRC-G-5360 | |
| 1/8 | 1/16 | 7/16 | 5/8 | 3/16 | NRC-G-5361 | |
| 1/4 | 1/16 | 7/16 | 5/8 | 3/16 | NRC-G-5362 | |
| 1/4 | 1/4 | 7/16 | 5/8 | 3/8 | NRC-G-5363 | |
| 5/16 | 1/16 | 7/16 | 9/16 | 3/16 | NRC-G-5364 | |
| 5/16 | 1/16 | 7/16 | 5/8 | 9/32 | NRC-G-5365 | |
| 5/16 | 3/32 | 7/16 | 5/8 | 5/16 | NRC-G-5366 | |
| 1/4 | 1/8 | 7/16 | 5/8 | 1/4 | NRC-G-5367 | |
| 1/4 | 3/16 | 7/16 | 5/8 | 5/16 | NRC-G-5368 | |
| 1/4 | 1/4 | 15/32 | 5/8 | 1/2 | NRC-G-5369 | |
| 9/32 | 1/4 | 15/32 | 11/16 | 7/16 | NRC-G-5370 | |
| 5/16 | 3/32 | 15/32 | 3/4 | 11/32 | NRC-G-5371 | |
| 7/64 | 3/64 | 1/2 | 11/16 | 9/32 | NRC-G-5372 | |
| 3/8 | 1/16 | 1/2 | 5/8 | 1/4 | NRC-G-5373 | |
| 3/8 | 1/16 | 1/2 | 11/16 | 9/32 | NRC-G-5374 | |
| 3/8 | 1/4 | 1/2 | 3/4 | 1/2 | NRC-G-5375 | |
| 11/32 | 1/16 | 17/32 | 25/32 | 1/4 | NRC-G-5376 | |
| 3/16 | 1/16 | 9/16 | 3/4 | 3/16 | NRC-G-5377 | |
| 5/16 | 1/16 | 9/16 | 13/16 | 5/16 | NRC-G-5378 | |
| 5/16 | 1/8 | 9/16 | 13/16 | 3/8 | NRC-G-5379 | |
| 5/16 | 3/16 | 9/16 | 13/16 | 3/8 | NRC-G-5380 | |
| 5/16 | 3/16 | 9/16 | 13/16 | 7/16 | NRC-G-5381 | |
| 5/16 | 1/4 | 9/16 | 13/16 | 1/2 | NRC-G-5382 | |
| 3/8 | 3/16 | 9/16 | 13/16 | 3/8 | NRC-G-5383 | |
| 3/8 | 3/8 | 9/16 | 3/4 | 3/4 | NRC-G-5384 | |
| 7/16 | 1/16 | 9/16 | 3/4 | 1/4 | NRC-G-5385 | |
| 3/8 | 1/16 | 5/8 | 7/8 | 5/16 | NRC-G-5386 | |
| 3/8 | 1/4 | 5/8 | 7/8 | 1/2 | NRC-G-5387 | |
| 3/16 | 1/8 | 5/8 | 7/8 | 1/4 | NRC-G-5388 | |
| 3/8 | 1/8 | 5/8 | 7/8 | 3/8 | NRC-G-5389 | |
| 3/8 | 3/16 | 5/8 | 7/8 | 7/16 | NRC-G-5390 | |
| 3/16 | 1/32 | 11/16 | 7/8 | 7/32 | NRC-G-5391 | |
| 7/16 | 1/16 | 11/16 | 15/16 | 5/16 | NRC-G-5392 | |
| 5/16 | 1/16 | 3/4 | 5/16 | NRC-G-5393 | ||
| 5/16 | 1/8 | 3/4 | 3/8 | NRC-G-5394 | ||
| 5/16 | 3/16 | 3/4 | 7/16 | NRC-G-5395 | ||
| 5/16 | 1/4 | 3/4 | 1/2 | NRC-G-5396 | ||
| 1/2 | 3/32 | 3/4 | 7/8 | 11/32 | NRC-G-5397 | |
| 1/2 | 3/32 | 3/4 | 31/32 | 9/32 | NRC-G-5398 | |
| 1/2 | 1/8 | 3/4 | 1/2 | NRC-G-5399 | ||
| 1/2 | 3/8 | 3/4 | 5/8 | NRC-G-5400 | ||
| 1/2 | 3/32 | 25/32 | 1-1/16 | 11/32 | NRC-G-5401 | |
| 1/2 | 1/16 | 13/16 | 1-1/16 | 5/16 | NRC-G-5402 | |
| 1/2 | 1/4 | 13/16 | 1-1/16 | 1/2 | NRC-G-5403 |
Key Dimensions Guide
A - Inside Diameter: The hole size the grommet will fit into
B - Groove Width: The width of the groove the grommet sits in
C - Groove Diameter: The diameter of the groove
D - Outside Diameter: The external diameter of the grommet
E - Overall Thickness: The total thickness of the grommet