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 5965-01-285-2133
NSN 5999-01-062-0739
NSN 5990-00-518-3195
NSN 5985-01-555-0368
NSN 5945-00-041-2849
NSN 5925-01-010-2925
NSN 6110-01-077-6673
NSN 4140-00-472-1739
NSN 6610-01-548-6549
NSN 5945-00-379-6745
NSN 5996-01-250-6023
NSN 5935-00-116-9638