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 6130-01-391-0661
NSN 6685-01-618-7910
NSN 6135-00-235-1938
NSN 5925-00-275-7599
NSN 5990-00-785-1876
NSN 6320-01-519-8767
NSN 6650-01-424-1545
NSN 5915-01-262-7954
NSN 6130-01-634-0603
NSN 5935-00-521-2141
NSN 5990-00-230-8981
NSN 5996-01-029-2904