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.
NSN 6610-01-300-4537
NSN 5910-01-605-2233
NSN 6240-01-616-6183
NSN 6610-00-827-8959
NSN 5960-01-462-1864
NSN 5975-00-076-1674
NSN 6135-00-782-6988
NSN 5965-00-424-9636
NSN 6105-00-004-6941
NSN 6620-01-358-7531
NSN 5996-01-361-8299
NSN 6645-01-256-9696