A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5999-01-288-4171
NSN 5996-01-032-3904
NSN 6130-01-541-4979
NSN 5910-01-481-8674
NSN 6320-01-592-6248
NSN 6135-00-120-1027
NSN 5925-01-471-8175
NSN 5925-01-647-7873
NSN 6130-01-555-8062
NSN 5975-00-221-7175
NSN 6135-00-935-8769
NSN 5855-01-602-9653