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 5999-01-374-0648
NSN 6105-00-479-8991
NSN 5985-00-172-6518
NSN 6610-01-157-0426
NSN 4140-01-429-8545
NSN 7035-00-870-0290
NSN 5925-01-437-9172
NSN 6105-01-074-8156
NSN 6650-01-218-4742
NSN 5925-01-101-7547
NSN 5999-00-658-3290
NSN 5945-01-633-0203