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 6130-01-507-3243
NSN 6130-01-347-0867
NSN 6130-01-555-6204
NSN 6320-01-512-2031
NSN 5905-01-423-4235
NSN 2925-00-684-7708
NSN 6130-00-758-7435
NSN 5990-01-288-7393
NSN 5915-00-161-5522
NSN 4140-00-078-9357
NSN 6645-01-184-5065
NSN 5996-01-590-9918