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.
NSN 5996-01-188-2039
NSN 6145-01-123-7019
NSN 6645-01-445-9089
NSN 6650-00-077-0638
NSN 5960-00-602-6607
NSN 6685-01-625-9298
NSN 6320-00-036-3688
NSN 6685-01-013-3265
NSN 5999-01-318-4309
NSN 6620-01-557-6512
NSN 5935-00-120-1274
NSN 5945-00-011-1246