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 5975-00-599-1701
NSN 6150-00-871-8571
NSN 5920-01-581-2402
NSN 5999-01-634-0576
NSN 6650-01-151-6450
NSN 5950-00-878-5911
NSN 5855-00-310-2740
NSN 5975-01-590-1040
NSN 6645-01-172-6838
NSN 5835-00-833-7080
NSN 5895-00-311-8969
NSN 6130-01-628-2114