A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6685-01-496-0537
NSN 6220-01-604-8283
NSN 5990-01-443-2931
NSN 5950-01-397-1114
NSN 6130-01-471-9546
NSN 5935-01-281-3575
NSN 6610-01-350-7697
NSN 5960-00-916-1071
NSN 5996-01-557-5337
NSN 2925-00-816-8765
NSN 6650-00-754-2276
NSN 6645-01-387-2063