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 5998-01-391-6065
NSN 6135-00-900-2139
NSN 7035-01-516-4411
NSN 6150-01-225-1384
NSN 5935-01-591-7407
NSN 6620-01-094-6549
NSN 5945-01-388-4083
NSN 5930-01-417-2028
NSN 6620-01-209-1472
NSN 2925-01-569-5471
NSN 6135-01-027-7543
NSN 6145-01-159-1180