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 6220-00-137-1894
NSN 6645-01-470-2951
NSN 5999-00-495-3965
NSN 6620-01-514-7786
NSN 5930-00-823-6511
NSN 5910-01-139-3281
NSN 7035-01-428-2336
NSN 5935-01-578-7335
NSN 5998-01-529-8682
NSN 5965-01-512-1815
NSN 5950-01-115-2627
NSN 5895-01-486-9627