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 5950-01-560-3037
NSN 6620-00-169-1609
NSN 5990-00-276-8650
NSN 5999-01-016-5204
NSN 5950-00-961-5854
NSN 6650-01-324-0351
NSN 2925-01-076-5219
NSN 6645-01-135-7919
NSN 6145-01-385-0767
NSN 5999-01-578-4329
NSN 6645-01-449-0785
NSN 6110-01-333-6010