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 6645-00-056-1580
NSN 6135-01-265-1384
NSN 5905-01-198-1695
NSN 5990-01-568-5565
NSN 6135-01-062-9356
NSN 5920-01-323-5782
NSN 6220-01-456-2746
NSN 6130-01-423-5844
NSN 6110-00-463-1537
NSN 5960-01-624-1170
NSN 5905-00-413-1328
NSN 5998-01-646-3915