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 6150-00-221-5122
NSN 6620-01-519-7234
NSN 6685-00-864-4729
NSN 6650-00-738-5418
NSN 5996-01-071-6441
NSN 6150-00-242-9439
NSN 6135-01-086-8167
NSN 5895-01-359-5777
NSN 6110-01-584-1421
NSN 5998-00-116-6199
NSN 6110-01-644-1677
NSN 5915-01-378-2362