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 5998-01-384-4350
NSN 6685-01-482-9836
NSN 5996-01-360-5635
NSN 5855-00-610-4052
NSN 6320-00-433-2773
NSN 5930-00-405-4115
NSN 6650-00-798-6847
NSN 5990-00-081-3937
NSN 6145-01-010-5474
NSN 6130-00-435-0365
NSN 5998-00-466-2646
NSN 6105-01-298-1825