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 6645-00-177-4729
NSN 5960-01-632-6576
NSN 5855-01-221-4076
NSN 5999-01-313-7378
NSN 5985-00-879-8730
NSN 6220-01-590-4150
NSN 6610-01-421-4396
NSN 6110-01-293-2791
NSN 5930-01-549-1752
NSN 6650-00-171-4175
NSN 5990-00-373-9787
NSN 2925-01-226-6126