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 5895-01-445-1226
NSN 5945-01-260-9321
NSN 6650-01-337-5309
NSN 6645-00-901-2791
NSN 5835-01-559-3824
NSN 5990-01-106-3786
NSN 6620-01-633-8443
NSN 6240-00-557-7471
NSN 6220-00-405-5986
NSN 5985-00-383-3310
NSN 6110-00-776-5961
NSN 5925-01-088-6863