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 5905-01-054-1218
NSN 5990-00-005-5215
NSN 6240-01-323-7032
NSN 4140-01-032-3705
NSN 5975-01-234-8001
NSN 4140-01-555-0510
NSN 5905-00-671-1594
NSN 6135-01-167-7604
NSN 5925-00-660-3892
NSN 6320-01-006-6138
NSN 6130-00-574-5419
NSN 5895-00-017-2360