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 6620-01-391-7331
NSN 6220-01-200-6461
NSN 5915-01-081-0861
NSN 5835-01-018-6294
NSN 5895-01-297-1751
NSN 6110-01-446-7126
NSN 6105-01-444-7540
NSN 5998-00-884-2429
NSN 5998-01-193-8940
NSN 5915-01-140-3783
NSN 6150-01-504-4734
NSN 5910-00-720-2110