Dyed brown
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 5930-01-140-1698
NSN 5998-01-507-7651
NSN 5945-00-774-3669
NSN 5975-00-360-2166
NSN 5998-01-449-2460
NSN 5950-00-480-1736
NSN 5925-00-254-9416
NSN 5935-01-534-3869
NSN 5920-01-353-0089
NSN 5990-01-606-9305
NSN 5950-01-378-5858
NSN 5935-01-561-7572