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 5915-01-358-1057
NSN 6150-01-334-2562
NSN 6150-00-123-8840
NSN 2925-01-337-1695
NSN 4140-01-443-8919
NSN 5930-01-316-1781
NSN 6110-01-600-5921
NSN 5945-00-603-7010
NSN 6645-01-535-5423
NSN 5996-01-116-1988
NSN 5930-01-491-7196
NSN 5998-01-262-6697