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 4140-01-139-4041
NSN 6685-00-061-8910
NSN 5855-01-180-5369
NSN 5920-00-341-6340
NSN 6105-00-949-0012
NSN 6685-00-337-5529
NSN 6130-01-526-6870
NSN 5855-00-491-7079
NSN 2925-01-548-6674
NSN 6220-00-313-0443
NSN 6130-01-126-6557
NSN 6130-01-435-3430