A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5998-01-389-8440
NSN 6130-00-087-7288
NSN 6320-01-067-0474
NSN 6135-01-508-6083
NSN 2925-01-123-5856
NSN 5935-01-218-5653
NSN 5915-00-882-1196
NSN 6650-01-503-5419
NSN 5855-01-421-1440
NSN 6220-00-107-1835
NSN 5975-01-004-2009
NSN 5985-01-215-3443