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 6105-01-255-4028
NSN 5990-01-430-3152
NSN 5998-01-474-9678
NSN 6150-01-187-9789
NSN 5855-00-629-5343
NSN 7035-01-531-6554
NSN 6130-01-631-1010
NSN 6145-01-279-0336
NSN 6620-01-597-0512
NSN 5950-00-871-0352
NSN 6135-00-182-7008
NSN 6620-01-294-1044