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 6135-00-583-3966
NSN 5965-01-253-8699
NSN 5915-01-469-6409
NSN 5999-00-170-4473
NSN 6320-01-255-2096
NSN 5999-00-064-5046
NSN 6110-01-427-3671
NSN 5990-00-177-2924
NSN 6220-01-184-0228
NSN 5999-01-519-9353
NSN 5835-01-483-7825
NSN 5855-01-091-9966