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 6320-01-214-0350
NSN 5996-00-125-4570
NSN 6150-01-025-6305
NSN 4140-01-060-1438
NSN 5945-01-228-8157
NSN 6645-01-119-3496
NSN 6645-01-316-2183
NSN 5985-01-279-6016
NSN 6610-01-633-8931
NSN 6650-00-446-8787
NSN 5895-01-147-5204
NSN 7035-00-981-7216