Dyed brown
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 6610-01-461-8180
NSN 5990-00-076-9839
NSN 6645-00-467-6094
NSN 5999-01-546-4283
NSN 5905-00-369-1534
NSN 6685-01-236-1386
NSN 6220-01-467-2543
NSN 6145-01-332-8076
NSN 6685-01-591-2066
NSN 5965-00-368-2879
NSN 5999-01-097-6165
NSN 5910-01-248-1098