| Item | Jam Nut |
| Finish | Zinc Plated |
| Grade | Grade 8 |
| Height | 0.18" to 0.195" |
| Material | Steel |
| Nut Type | Jam Hex |
| System Of Measurement | Imperial |
| Thread Direction | Right Hand |
| Thread Size | 5/16"-18 |
| Width | 0.489" to 0.5" |
| Wrench Size | 1/2" |
| Dimensional Standards | ASME B18.2.2 |
| Hex Height | 3/16" |
| Hex Type | Jam Hex |
| Hex Width | 1/2" |
| Material Grade/class | Grade 8 |
| Thread Type | Coarse |
| Country of Origin | Varies |
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