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 6645-01-535-7136
NSN 5985-01-479-0028
NSN 4140-01-562-0499
NSN 5905-01-600-0179
NSN 5910-01-626-3830
NSN 6650-01-479-5075
NSN 5915-01-357-4365
NSN 6620-01-310-4916
NSN 5975-01-238-4938
NSN 6135-00-816-9052
NSN 5960-01-328-8248
NSN 5930-00-421-3185