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 6610-01-490-2020
NSN 5990-01-021-7303
NSN 5950-01-381-7356
NSN 6240-01-420-6495
NSN 5925-00-194-9146
NSN 5910-01-195-6933
NSN 5975-00-069-3512
NSN 5985-01-611-3118
NSN 6110-01-449-1641
NSN 5855-01-376-0363
NSN 4140-01-380-1924
NSN 6130-00-525-9975