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 4140-01-279-9538
NSN 5985-00-439-8327
NSN 5965-00-706-7005
NSN 5910-01-475-9469
NSN 6150-01-463-6876
NSN 5920-00-905-4769
NSN 6610-01-178-0333
NSN 5945-01-020-7897
NSN 6105-01-007-8425
NSN 5960-01-406-0299
NSN 6220-00-239-5561
NSN 6320-01-409-1388