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 6110-01-450-1679
NSN 4140-01-360-9873
NSN 6645-01-626-0411
NSN 5925-01-422-4569
NSN 6135-01-578-8919
NSN 6650-00-065-7744
NSN 5998-01-525-8002
NSN 5990-00-801-7923
NSN 5895-01-454-6980
NSN 5930-01-265-3969
NSN 5910-01-330-1741
NSN 6620-00-760-4332