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 2925-01-139-5144
NSN 5925-01-067-8301
NSN 6620-01-202-4556
NSN 6645-01-400-2119
NSN 5999-01-479-4395
NSN 5975-01-303-0851
NSN 6240-01-426-3807
NSN 6645-01-323-1956
NSN 5999-01-237-2920
NSN 5910-01-323-5341
NSN 5975-00-630-8386
NSN 4140-01-142-3192