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 5965-00-142-9052
NSN 5996-00-045-4058
NSN 6620-01-628-0171
NSN 6145-01-376-2051
NSN 6645-00-408-7443
NSN 6110-01-027-1851
NSN 6685-01-047-1479
NSN 5925-01-374-1489
NSN 6150-00-554-7591
NSN 6240-01-146-9197
NSN 5960-01-251-5995
NSN 4140-00-640-6811