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 6220-01-146-0312
NSN 6620-01-557-0583
NSN 6105-01-161-1657
NSN 5855-01-463-7372
NSN 5960-00-926-0211
NSN 5998-01-530-8117
NSN 6145-01-494-2155
NSN 6220-00-872-7291
NSN 5985-00-988-5268
NSN 5910-01-562-7447
NSN 2925-01-574-7119
NSN 6130-01-285-4486