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 5990-01-024-9659
NSN 6130-00-250-2236
NSN 5999-00-136-9066
NSN 4140-00-862-5644
NSN 6220-01-427-2333
NSN 6110-00-871-6429
NSN 5935-01-225-4253
NSN 5910-01-312-3931
NSN 6645-00-837-2267
NSN 5935-01-513-5284
NSN 5945-01-515-9535
NSN 6610-01-132-6660