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 6620-01-449-8743
NSN 6240-01-258-5829
NSN 6320-01-215-1133
NSN 6130-01-334-3043
NSN 5945-01-027-2258
NSN 5945-00-335-6316
NSN 6110-01-412-9334
NSN 5950-01-518-8370
NSN 6240-01-471-2533
NSN 6645-00-646-6631
NSN 5999-00-185-6032
NSN 5895-01-512-3437