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 6135-01-551-0562
NSN 7035-00-433-5670
NSN 6145-01-354-6349
NSN 6645-01-111-3758
NSN 5945-00-690-3460
NSN 5905-01-651-8191
NSN 6130-00-205-1714
NSN 5920-01-305-3613
NSN 5855-01-154-3871
NSN 5945-01-260-2539
NSN 5910-00-703-0897
NSN 5990-01-432-0523