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 6135-00-161-0746
NSN 5925-01-317-9967
NSN 6320-01-287-8070
NSN 5920-01-371-2869
NSN 5835-00-902-8680
NSN 5925-01-266-0583
NSN 5835-01-463-2334
NSN 5910-01-106-4488
NSN 6610-01-643-2315
NSN 5960-01-063-2009
NSN 5950-01-641-4010
NSN 5975-01-438-5090