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 5998-00-171-9786
NSN 5998-00-156-7249
NSN 5965-01-121-1214
NSN 5935-01-551-0925
NSN 6150-01-601-5218
NSN 6645-01-199-6057
NSN 5999-01-555-8285
NSN 5975-01-195-1533
NSN 2925-01-062-2660
NSN 6685-01-157-1288
NSN 5915-00-099-0347
NSN 6645-01-386-6311