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 6610-01-387-3648
NSN 6240-00-918-2426
NSN 5999-01-454-6705
NSN 6220-01-111-7085
NSN 6685-01-113-8005
NSN 5855-01-550-5219
NSN 6645-01-515-1978
NSN 5920-00-984-4428
NSN 5915-01-195-9871
NSN 5996-00-988-8043
NSN 6135-00-613-1068
NSN 5835-00-256-5558