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 4140-00-067-2590
NSN 5855-01-492-7800
NSN 6650-01-487-4236
NSN 6150-01-508-3749
NSN 5998-01-657-7277
NSN 6610-00-699-0714
NSN 7035-00-703-3535
NSN 5996-01-210-4732
NSN 6220-01-414-3876
NSN 6220-01-505-9880
NSN 6110-01-410-5076
NSN 5925-01-188-6298