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 2925-01-231-6312
NSN 5945-01-156-5583
NSN 6645-01-470-4688
NSN 5935-00-159-1551
NSN 6645-00-940-0774
NSN 2925-00-963-0943
NSN 6650-01-426-4253
NSN 5998-00-661-0380
NSN 6220-00-601-8153
NSN 6620-01-064-0366
NSN 4140-00-476-8434
NSN 5925-01-591-4574