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 6685-01-326-7020
NSN 6135-00-027-3914
NSN 6110-01-174-3161
NSN 5905-00-299-4987
NSN 5915-00-846-7632
NSN 6320-00-456-0836
NSN 5950-00-262-6054
NSN 5985-01-329-4335
NSN 5935-01-190-8535
NSN 5835-01-362-8367
NSN 6145-01-322-5520
NSN 5960-01-423-1085