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 6610-01-654-9714
NSN 5998-00-333-4017
NSN 6105-01-572-9513
NSN 6135-01-066-6904
NSN 2925-01-324-3533
NSN 5930-01-455-6033
NSN 6110-01-417-8928
NSN 5935-00-389-7160
NSN 6220-00-932-2500
NSN 5960-01-513-3230
NSN 6610-00-058-9527
NSN 6685-00-004-7438