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 6620-00-189-2381
NSN 6685-00-221-4435
NSN 5945-01-336-6573
NSN 6110-01-429-8668
NSN 5996-01-582-7251
NSN 2925-01-423-4962
NSN 5915-01-273-3592
NSN 6610-01-465-1320
NSN 5975-01-611-7361
NSN 6320-01-607-1491
NSN 6150-00-187-1368
NSN 2925-01-525-8212