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 6240-00-773-2872
NSN 6320-00-790-4844
NSN 6135-01-285-8807
NSN 5920-01-152-1021
NSN 5960-01-392-6982
NSN 5915-01-269-0356
NSN 5905-01-536-2131
NSN 6650-00-172-5983
NSN 2925-00-477-2654
NSN 5910-01-436-2304
NSN 6620-01-483-4519
NSN 6650-01-213-1231