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 4140-00-260-9521
NSN 5945-00-679-9554
NSN 5996-00-952-3452
NSN 6130-01-056-7367
NSN 5910-01-038-1562
NSN 6220-01-431-2066
NSN 5998-00-399-2830
NSN 5915-00-964-5390
NSN 5930-01-382-9642
NSN 6620-01-324-3058
NSN 5920-01-647-5355
NSN 6320-00-242-3300