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 5960-01-338-0688
NSN 5990-01-541-7671
NSN 5905-01-629-8904
NSN 6610-01-240-6629
NSN 5990-01-417-4402
NSN 5915-01-450-0012
NSN 4140-01-089-9724
NSN 5930-01-468-6478
NSN 5930-01-195-3539
NSN 5925-01-263-3846
NSN 5925-00-420-1386
NSN 6650-00-738-5418