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 5960-00-503-1847
NSN 6620-01-224-4985
NSN 5975-01-020-7131
NSN 6240-01-524-0510
NSN 6685-00-155-4301
NSN 5965-00-452-0967
NSN 5965-01-413-4424
NSN 6645-01-390-3442
NSN 7035-00-392-5417
NSN 5965-01-328-7979
NSN 5915-00-192-3109
NSN 6220-01-462-4715