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 6150-00-299-6678
NSN 6610-00-755-1740
NSN 5920-01-329-8577
NSN 6105-00-084-8016
NSN 6150-01-261-0706
NSN 6145-01-123-2138
NSN 5925-01-234-5780
NSN 5910-00-598-3674
NSN 5925-01-353-6912
NSN 5950-00-739-6905
NSN 6620-01-215-6465
NSN 5920-01-411-3493