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 2925-00-221-4977
NSN 6145-01-458-3619
NSN 6110-01-438-2604
NSN 6610-00-678-9887
NSN 6320-00-521-9350
NSN 5910-00-789-7507
NSN 6645-01-499-0896
NSN 5960-01-498-9427
NSN 6220-01-088-6191
NSN 6610-01-512-8154
NSN 5999-01-152-1844
NSN 6240-01-512-1856