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 5985-01-363-1091
NSN 5930-01-177-6826
NSN 5990-01-189-3201
NSN 5905-01-451-4205
NSN 6320-00-682-3448
NSN 6110-01-082-8958
NSN 6240-00-480-1558
NSN 5915-01-553-4392
NSN 6240-00-412-5584
NSN 5925-01-310-1312
NSN 6150-00-721-3945
NSN 6685-01-317-3782