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 5895-01-624-0390
NSN 6650-01-027-1181
NSN 6105-01-578-6551
NSN 6610-01-064-5792
NSN 5965-00-465-9566
NSN 5998-01-565-4518
NSN 6105-00-620-5370
NSN 5996-01-167-8914
NSN 6135-01-180-9611
NSN 5935-01-586-9265
NSN 5905-01-199-3756
NSN 5905-01-123-9374