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 6320-01-441-2438
NSN 5965-01-528-6453
NSN 6620-01-132-1776
NSN 6610-01-144-8401
NSN 6240-01-388-2413
NSN 6110-01-435-6610
NSN 6220-01-185-5545
NSN 6685-00-637-8553
NSN 6105-01-547-7612
NSN 5965-01-100-1195
NSN 5930-01-617-1172
NSN 5895-01-381-6043