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 5920-01-554-5395
NSN 6220-01-376-4372
NSN 6130-01-563-2484
NSN 5925-01-620-6013
NSN 2925-01-125-9169
NSN 5855-00-631-4565
NSN 5960-00-188-8648
NSN 5998-01-558-1092
NSN 5905-00-102-8127
NSN 6645-01-578-6815
NSN 5915-01-580-7565
NSN 5960-01-170-4057