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 6240-01-071-2127
NSN 6145-01-146-5555
NSN 6150-01-084-9866
NSN 5920-00-481-1419
NSN 5990-01-548-5979
NSN 2925-00-351-1015
NSN 6645-01-196-8616
NSN 5996-01-564-6557
NSN 7035-01-556-6855
NSN 4140-01-013-6807
NSN 6135-01-449-2144
NSN 6145-00-844-7464