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 5975-01-292-0979
NSN 6220-01-371-5438
NSN 4140-01-053-5359
NSN 5910-01-551-1268
NSN 5985-01-010-0674
NSN 6610-01-200-6861
NSN 5915-01-411-1503
NSN 6220-01-515-6886
NSN 6685-01-461-9339
NSN 7035-00-523-7492
NSN 5910-01-632-9191
NSN 5905-00-296-8763