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 4140-01-256-0910
NSN 6105-01-500-7599
NSN 5965-01-656-5004
NSN 6685-01-514-4543
NSN 6135-01-429-9029
NSN 6620-00-140-8644
NSN 6145-01-067-8619
NSN 6145-01-430-7211
NSN 5965-00-208-4896
NSN 6220-01-254-9770
NSN 6650-00-710-8130
NSN 5965-01-459-4345