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 5990-01-493-4039
NSN 7035-00-235-3529
NSN 6240-01-106-6113
NSN 5945-01-453-8873
NSN 5925-00-259-7485
NSN 5910-01-304-2021
NSN 6645-01-063-5383
NSN 6135-00-505-0679
NSN 5965-00-840-6542
NSN 6320-01-357-3222
NSN 6620-01-117-0834
NSN 6150-00-735-6840