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.
NSN 6145-00-104-7789
NSN 5905-01-207-0907
NSN 6150-01-060-5112
NSN 5930-00-212-8866
NSN 4140-01-028-2743
NSN 5945-01-149-1160
NSN 6610-00-208-5318
NSN 6620-00-392-9835
NSN 5990-01-202-0001
NSN 6645-01-432-1068
NSN 6620-01-352-5640
NSN 5999-01-632-1913