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 5920-01-473-7909
NSN 6320-01-409-1388
NSN 5990-00-159-1774
NSN 5925-01-198-9910
NSN 5990-00-212-4316
NSN 5975-00-111-6781
NSN 6220-01-654-8476
NSN 5975-01-440-8622
NSN 5895-01-036-1950
NSN 5990-01-588-3999
NSN 5935-01-611-9769
NSN 6105-01-377-6284