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 6645-01-575-2297
NSN 7035-01-364-0286
NSN 5965-01-076-0071
NSN 5999-01-004-8270
NSN 5835-00-074-3700
NSN 6130-01-466-5425
NSN 2925-00-674-5007
NSN 6240-00-280-8502
NSN 5945-01-573-5746
NSN 5990-00-067-9102
NSN 5910-01-276-9931
NSN 5915-01-229-0167