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 5999-00-364-7870
NSN 6105-01-067-8377
NSN 4140-01-177-1445
NSN 6220-00-875-6586
NSN 2925-00-155-2100
NSN 5965-01-208-6903
NSN 4140-00-339-1514
NSN 6610-00-735-2888
NSN 5996-00-222-6049
NSN 5950-00-849-5371
NSN 5945-01-641-9241
NSN 6110-01-422-3513