No other part numbers with same form, fit, and function found.
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 6685-00-388-8821
NSN 6650-01-317-2101
NSN 6240-00-911-4832
NSN 7035-00-541-8516
NSN 6145-00-442-3326
NSN 6110-01-068-0301
NSN 6620-01-012-2852
NSN 5835-01-302-2745
NSN 6135-01-487-0773
NSN 5960-00-455-9218
NSN 2925-01-652-9424
NSN 6240-01-068-3491