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 5960-01-446-1266
NSN 6110-01-625-0373
NSN 5915-01-507-4033
NSN 5905-01-499-0731
NSN 6240-01-052-7690
NSN 6320-01-478-9351
NSN 5965-01-007-9757
NSN 4140-01-355-0045
NSN 6220-01-116-2411
NSN 6145-01-556-1463
NSN 6150-00-990-2117
NSN 5990-01-577-2120