A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6645-01-290-9428
NSN 6220-01-431-5755
NSN 6220-00-269-3783
NSN 2925-00-404-6461
NSN 5975-01-432-1989
NSN 6130-01-269-3040
NSN 5920-00-448-5369
NSN 5935-00-840-1355
NSN 5975-01-325-7635
NSN 6220-01-146-7138
NSN 6645-01-314-2889
NSN 5998-01-190-0730