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.
NSN 6645-01-377-7866
NSN 2925-00-739-5090
NSN 5920-01-139-1221
NSN 5895-01-021-2397
NSN 5905-01-137-2257
NSN 6135-00-128-1633
NSN 6145-00-008-1834
NSN 6650-01-290-4001
NSN 5945-01-208-5794
NSN 5965-01-392-6511
NSN 2925-01-415-0264
NSN 5985-00-895-9695