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 5950-01-437-8572
NSN 6650-00-959-6869
NSN 6220-01-396-9520
NSN 6620-00-269-5168
NSN 5935-01-501-2268
NSN 5975-00-389-6958
NSN 5985-01-413-8307
NSN 5835-01-464-7038
NSN 6240-01-204-1918
NSN 6620-00-930-5680
NSN 6135-00-248-4102
NSN 6685-01-370-0586