A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6685-01-578-8790
NSN 6620-01-419-5929
NSN 5905-01-431-8708
NSN 4140-01-126-2582
NSN 5905-01-162-9149
NSN 6110-01-622-8535
NSN 5990-01-050-1102
NSN 5905-01-652-9504
NSN 6220-01-532-6880
NSN 5975-01-529-1146
NSN 2925-01-140-1015
NSN 6685-01-391-7560