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 6610-00-974-6607
NSN 6645-01-259-7142
NSN 5835-01-337-8635
NSN 6130-00-921-4448
NSN 6320-01-608-1935
NSN 5950-01-461-7939
NSN 5905-01-399-0239
NSN 6650-00-177-6390
NSN 6650-01-279-0658
NSN 5920-01-067-2944
NSN 6110-00-779-0648
NSN 5895-00-420-7042