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 6645-01-478-2140
NSN 6130-00-277-7321
NSN 6620-01-090-3803
NSN 6145-00-695-9568
NSN 5965-01-511-0402
NSN 6150-01-014-4043
NSN 6610-01-400-3880
NSN 6135-00-180-5125
NSN 6110-01-274-8039
NSN 5985-01-039-9992
NSN 5920-00-462-3342
NSN 5895-00-925-2423