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 5996-01-362-5361
NSN 2925-00-304-1997
NSN 6220-01-347-8642
NSN 6610-01-485-3074
NSN 6320-01-615-7202
NSN 5925-00-924-0515
NSN 5855-00-327-2112
NSN 5915-01-547-1911
NSN 5910-00-837-4782
NSN 5965-00-360-9534
NSN 5990-01-443-2931
NSN 6650-01-196-4667