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 5990-00-814-1718
NSN 5985-00-445-4810
NSN 6135-00-009-4100
NSN 6135-01-355-8917
NSN 5999-01-090-0664
NSN 5985-01-163-8097
NSN 6685-01-434-8906
NSN 6320-01-170-4068
NSN 5965-01-338-7693
NSN 4140-00-274-9196
NSN 5895-01-235-1055
NSN 5998-01-581-7499