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 5999-01-656-6960
NSN 6320-01-522-0318
NSN 6220-01-469-1403
NSN 4140-00-574-1869
NSN 6105-01-212-9245
NSN 2925-00-986-2055
NSN 5999-01-410-7777
NSN 5975-00-343-9466
NSN 5998-01-423-8525
NSN 5905-01-299-6711
NSN 5999-00-915-4118
NSN 6220-01-411-5629