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 6240-01-075-9397
NSN 5855-01-110-9564
NSN 5975-00-990-5354
NSN 6135-00-196-5267
NSN 5975-01-657-7339
NSN 5945-01-375-3463
NSN 6650-00-105-5744
NSN 6650-01-158-4236
NSN 4140-01-050-8096
NSN 6645-01-498-5102
NSN 5895-01-203-1310
NSN 4140-00-643-3744