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 5835-00-723-2505
NSN 5935-01-141-1763
NSN 5985-01-053-5130
NSN 6145-01-275-3550
NSN 5999-01-261-6757
NSN 6620-01-431-9176
NSN 6650-00-954-4428
NSN 5998-01-423-3221
NSN 4140-00-640-6608
NSN 6145-00-524-9130
NSN 5915-00-847-7890
NSN 5965-01-378-6739