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 6150-01-515-2104
NSN 5920-01-618-1073
NSN 7035-01-423-8343
NSN 5998-01-355-7330
NSN 6220-01-269-8391
NSN 6320-01-089-9086
NSN 2925-01-301-1727
NSN 2925-00-623-3103
NSN 6620-01-197-8207
NSN 5855-01-426-5589
NSN 6620-01-550-2804
NSN 5905-00-073-5496