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 6145-00-156-4394
NSN 7035-01-306-5226
NSN 5990-01-239-5878
NSN 6110-01-122-5916
NSN 6650-01-394-2646
NSN 5910-01-354-8090
NSN 6105-00-116-5857
NSN 6620-01-255-7757
NSN 5999-01-043-8175
NSN 5960-00-672-3836
NSN 5985-00-177-8049
NSN 6650-01-477-2124