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 5950-01-371-3149
NSN 5990-01-565-2226
NSN 2925-01-650-3412
NSN 4140-01-291-7871
NSN 5975-01-584-0570
NSN 6240-00-583-9863
NSN 7035-01-549-0905
NSN 5975-00-103-2814
NSN 6620-01-317-4233
NSN 5990-01-472-2447
NSN 6240-00-990-3226
NSN 5920-01-212-9504