A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5950-00-468-7991
NSN 5925-00-764-8349
NSN 6620-01-530-9361
NSN 6685-01-197-8048
NSN 5835-00-071-5739
NSN 5999-01-424-4626
NSN 5915-00-126-9094
NSN 5920-01-047-2901
NSN 5935-01-367-0015
NSN 4140-01-501-6031
NSN 5998-01-354-0258
NSN 6240-00-813-6328