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 6240-01-600-7489
NSN 6145-01-521-4564
NSN 5998-00-689-6768
NSN 5905-01-415-2902
NSN 6240-00-984-4518
NSN 5905-01-341-6436
NSN 6240-01-469-7324
NSN 5905-01-415-2474
NSN 5915-01-264-5380
NSN 5945-01-452-1814
NSN 6650-01-564-6681
NSN 5930-01-569-7854