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 6220-01-063-9040
NSN 6240-00-232-7065
NSN 5855-01-606-2129
NSN 5925-01-367-6118
NSN 5950-01-379-6971
NSN 6135-00-593-6831
NSN 5950-00-763-7010
NSN 6610-01-379-6750
NSN 6135-00-683-0536
NSN 5910-01-039-2222
NSN 6150-00-051-3001
NSN 6320-00-194-4252