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 5920-01-423-0805
NSN 5990-01-378-7349
NSN 5990-00-501-4994
NSN 5998-01-303-7753
NSN 6320-00-322-3460
NSN 6620-00-004-5466
NSN 4140-01-470-1359
NSN 5910-00-947-5761
NSN 6645-01-264-1300
NSN 5999-01-393-7333
NSN 5998-01-260-0171
NSN 5945-01-488-9849