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 6105-00-807-8986
NSN 5925-00-660-3892
NSN 5855-00-760-3870
NSN 5999-00-153-0062
NSN 5990-00-759-3423
NSN 6110-01-160-9142
NSN 2925-01-043-9786
NSN 5935-00-879-3269
NSN 5935-01-039-3341
NSN 6320-01-476-7702
NSN 5990-00-923-4316
NSN 6135-01-484-8637