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 6320-01-643-0850
NSN 6240-01-451-1409
NSN 2925-01-131-8761
NSN 5925-00-167-1213
NSN 5975-00-260-1336
NSN 6150-00-947-7658
NSN 6135-00-583-3966
NSN 6650-00-255-2633
NSN 6135-00-078-9931
NSN 5996-00-213-7121
NSN 6130-01-611-7184
NSN 6645-01-416-7973