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 5990-01-197-6922
NSN 6320-01-067-0474
NSN 6650-00-316-4889
NSN 5920-01-271-6474
NSN 6320-00-483-0451
NSN 6610-01-047-1299
NSN 6645-00-565-1569
NSN 6610-01-631-1184
NSN 5960-00-191-7448
NSN 5905-01-342-5203
NSN 5895-01-369-1908
NSN 6145-00-686-8651