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 6145-01-519-8210
NSN 6150-01-160-7536
NSN 6145-01-384-7508
NSN 6320-00-790-4844
NSN 6150-01-534-6276
NSN 5999-00-161-5111
NSN 6320-01-624-0193
NSN 6105-00-544-2450
NSN 5950-00-417-4493
NSN 2925-00-486-8640
NSN 5996-01-132-7833
NSN 5950-01-264-7255