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 5985-00-451-6501
NSN 5960-00-364-3647
NSN 5950-00-506-2255
NSN 6110-01-243-2989
NSN 5960-01-142-1995
NSN 5990-01-442-3520
NSN 5925-00-988-5474
NSN 5999-01-345-1278
NSN 6645-01-564-7129
NSN 6240-01-459-3354
NSN 5950-01-471-6518
NSN 7035-01-064-8212