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 5990-01-170-6081
NSN 6685-01-259-3006
NSN 6610-00-540-8911
NSN 5855-01-177-3301
NSN 5960-01-412-8650
NSN 5855-01-599-7164
NSN 5920-01-592-3050
NSN 6610-01-348-0545
NSN 4140-01-370-5609
NSN 7035-01-068-3300
NSN 5996-01-028-7884
NSN 5960-00-721-1744