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 4140-01-380-6690
NSN 6620-01-004-7072
NSN 6240-01-100-2597
NSN 6650-00-248-8913
NSN 6135-00-087-5300
NSN 5975-00-541-8531
NSN 5935-00-941-6190
NSN 6650-01-348-5448
NSN 6110-00-993-3930
NSN 6320-00-110-8005
NSN 6320-00-790-4844
NSN 6620-00-349-4703