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 6620-01-178-4771
NSN 7035-01-056-5350
NSN 6320-01-177-3192
NSN 6220-00-371-7589
NSN 5835-01-053-6209
NSN 6645-01-039-0058
NSN 6650-01-441-5339
NSN 5950-00-529-6871
NSN 5910-00-456-0824
NSN 5990-01-117-7223
NSN 5945-01-551-1250
NSN 6320-01-583-6809