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 5990-01-489-0366
NSN 5905-01-487-5428
NSN 5975-01-054-1834
NSN 5855-01-519-1226
NSN 4140-01-216-3417
NSN 2925-00-643-4243
NSN 5895-01-468-1938
NSN 5999-01-478-6885
NSN 5950-01-076-5952
NSN 5925-00-529-0441
NSN 5905-01-317-3212
NSN 5910-00-240-2002