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 5990-01-224-8052
NSN 2925-00-656-3224
NSN 5905-01-465-6610
NSN 6240-01-453-7614
NSN 7035-00-860-3072
NSN 6610-01-114-0796
NSN 6135-00-369-2368
NSN 6645-01-253-6023
NSN 6105-00-163-1906
NSN 5960-00-419-3641
NSN 5855-01-448-9794
NSN 5855-00-252-5743