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 5935-00-067-5721
NSN 6320-00-937-5625
NSN 6220-01-213-3885
NSN 6685-01-110-4596
NSN 6220-01-316-2253
NSN 7035-01-306-5226
NSN 5998-00-110-2868
NSN 2925-01-381-5307
NSN 5990-01-364-8405
NSN 5990-01-179-5625
NSN 5945-01-455-7746
NSN 5855-01-644-0445