A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6645-01-483-5519
NSN 6620-01-122-8886
NSN 5925-01-649-7842
NSN 6110-01-332-1665
NSN 6645-01-421-4007
NSN 6620-00-153-0982
NSN 6685-01-453-6306
NSN 6320-01-421-7826
NSN 6130-00-465-2965
NSN 5925-01-632-7901
NSN 5835-00-494-8419
NSN 6145-00-170-5274