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 5910-00-383-1993
NSN 5945-01-168-6569
NSN 5990-01-555-6616
NSN 5985-01-093-2174
NSN 5990-01-474-3477
NSN 5915-00-649-8763
NSN 5935-00-167-6812
NSN 5945-01-469-3035
NSN 5998-00-353-6471
NSN 6135-01-442-7275
NSN 5975-00-660-5962
NSN 5935-00-502-9966