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 4140-00-877-9727
NSN 5996-00-061-0336
NSN 2925-00-915-1827
NSN 5935-01-076-2746
NSN 5965-01-649-9293
NSN 6145-01-454-7664
NSN 6645-01-137-6048
NSN 5996-00-195-1675
NSN 5895-00-398-0029
NSN 5960-01-231-6502
NSN 5999-01-422-4506
NSN 6650-01-079-8675