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 6220-01-494-9356
NSN 6645-01-660-3097
NSN 6135-00-856-1343
NSN 6220-01-025-8551
NSN 5996-01-212-2605
NSN 5855-00-494-9581
NSN 5915-01-124-1810
NSN 6130-01-174-9989
NSN 7035-01-026-0117
NSN 6110-01-355-9732
NSN 5930-01-622-4407
NSN 5925-01-406-5626