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 4140-01-188-0111
NSN 5998-01-331-7629
NSN 5945-01-155-9612
NSN 6105-01-183-8123
NSN 7035-01-633-9537
NSN 7035-01-082-0311
NSN 6645-00-033-8714
NSN 5950-01-510-9445
NSN 6685-01-056-4861
NSN 6685-00-310-4060
NSN 5990-00-446-0518
NSN 6240-01-164-9175