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 6645-00-503-1379
NSN 6240-01-628-8570
NSN 5965-00-317-1679
NSN 6130-00-408-4716
NSN 5905-01-424-9348
NSN 6105-01-558-8908
NSN 5999-01-559-0438
NSN 5905-01-571-5135
NSN 5925-01-048-9216
NSN 5855-01-247-0012
NSN 6620-01-128-3053
NSN 6645-01-301-9462