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 5985-01-620-4178
NSN 2925-01-519-1707
NSN 5960-00-512-9121
NSN 5985-01-282-3731
NSN 5960-00-099-5849
NSN 5996-01-418-8485
NSN 6150-01-429-8315
NSN 5990-00-334-8836
NSN 5930-01-409-2952
NSN 5925-01-504-9406
NSN 6620-01-416-1757
NSN 2925-00-010-9609