A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6105-00-553-8943
NSN 6240-00-484-5947
NSN 4140-00-859-2412
NSN 4140-01-202-8670
NSN 5950-01-067-9478
NSN 6685-00-901-3745
NSN 5915-01-028-5874
NSN 5920-01-050-6557
NSN 6620-00-100-4517
NSN 5905-01-583-0255
NSN 6150-01-456-0231
NSN 5915-01-519-2234