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 6620-01-593-0817
NSN 6135-01-367-6203
NSN 6645-01-416-8429
NSN 6135-01-052-9442
NSN 5930-00-269-2890
NSN 5935-01-042-5145
NSN 5960-00-170-9614
NSN 6130-00-929-6699
NSN 5950-00-859-4921
NSN 5930-01-212-6662
NSN 6610-01-263-5517
NSN 5990-00-288-1820