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 6650-01-100-0933
NSN 5895-01-173-1476
NSN 6110-01-250-9167
NSN 6110-00-431-4388
NSN 6645-00-893-4190
NSN 5905-01-634-0595
NSN 5915-01-424-0767
NSN 6110-01-184-0736
NSN 5950-01-442-7195
NSN 6320-00-456-0836
NSN 5996-01-224-7914
NSN 4140-01-530-2775