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 6610-01-048-2870
NSN 5925-01-038-6435
NSN 6645-01-452-9495
NSN 6145-00-730-3933
NSN 5975-00-636-4910
NSN 5935-01-060-5427
NSN 5950-00-345-1620
NSN 5915-01-345-8614
NSN 5960-01-174-6975
NSN 5935-01-231-6520
NSN 5895-00-203-2379
NSN 6220-01-648-2184