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 5999-01-411-6203
NSN 7035-01-349-7883
NSN 6110-00-161-2310
NSN 5965-01-482-3119
NSN 4140-01-566-6614
NSN 6610-01-484-8980
NSN 6685-00-442-7219
NSN 4140-01-564-9921
NSN 6650-00-716-7628
NSN 6650-01-541-4357
NSN 5925-01-432-1397
NSN 6620-01-391-7331