A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5945-01-476-0897
NSN 7035-01-160-4423
NSN 4140-00-274-9638
NSN 6150-00-770-9474
NSN 6220-01-350-3108
NSN 6110-01-597-3968
NSN 6645-00-295-0625
NSN 5920-00-860-0456
NSN 5935-00-003-6632
NSN 5965-00-647-3972
NSN 5910-00-137-1335
NSN 5920-01-388-5863