A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5996-00-543-1566
NSN 6130-01-381-5671
NSN 6320-01-050-1290
NSN 5998-00-925-3310
NSN 6240-00-079-1759
NSN 5930-00-039-6924
NSN 5855-01-199-2046
NSN 5975-00-647-4968
NSN 5999-01-521-9803
NSN 5985-00-542-0597
NSN 5960-00-886-6555
NSN 6220-01-569-5940