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 5950-01-286-7153
NSN 6685-01-173-5287
NSN 5910-01-399-6485
NSN 5910-01-547-6581
NSN 6105-01-087-4264
NSN 5930-01-482-3110
NSN 5910-01-612-7198
NSN 5999-01-442-7961
NSN 5925-00-903-5841
NSN 6150-00-171-3325
NSN 5996-01-217-0990
NSN 6130-00-373-1757