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 5996-00-280-8980
NSN 6135-00-567-1322
NSN 5930-01-453-1270
NSN 5990-01-467-7575
NSN 6135-01-066-6904
NSN 5910-00-221-3913
NSN 5965-01-237-3342
NSN 6685-00-238-0100
NSN 6645-01-584-9563
NSN 6610-01-262-5553
NSN 5920-00-725-1458
NSN 5925-01-453-1819