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 4140-00-262-9921
NSN 5945-01-376-1956
NSN 5975-01-435-4604
NSN 6610-01-141-6343
NSN 5925-00-383-5382
NSN 6320-01-191-6717
NSN 5975-00-925-4586
NSN 5945-01-607-7708
NSN 6105-01-096-4883
NSN 5960-01-352-0451
NSN 4140-01-527-4341
NSN 6110-01-242-9765