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 5990-00-103-0528
NSN 5925-00-233-7523
NSN 6645-00-869-0850
NSN 6105-01-545-2776
NSN 5960-00-617-9172
NSN 6620-00-959-6614
NSN 6135-01-534-3007
NSN 5905-00-267-9551
NSN 5835-01-055-6859
NSN 6620-01-189-8153
NSN 5855-00-494-9581
NSN 6645-01-304-4308