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 5960-01-439-2980
NSN 4140-00-729-6852
NSN 6150-00-765-6475
NSN 5915-01-268-7328
NSN 4140-00-205-0853
NSN 5910-01-198-2537
NSN 5835-01-592-2350
NSN 6685-01-659-1362
NSN 6620-01-118-7588
NSN 6240-01-649-1520
NSN 5990-01-343-2187
NSN 5998-00-269-5444