A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6150-01-280-2052
NSN 6320-01-643-0850
NSN 6145-00-538-9885
NSN 4140-00-224-5533
NSN 4140-01-442-7308
NSN 4140-00-064-7847
NSN 6105-01-329-6643
NSN 5910-01-477-5341
NSN 5996-01-513-8390
NSN 5960-01-234-0926
NSN 5985-00-928-5764
NSN 5855-00-055-1694