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 5895-00-825-5325
NSN 5910-01-152-5775
NSN 5998-00-976-6119
NSN 5996-00-912-1966
NSN 6110-01-261-4980
NSN 5998-01-433-0038
NSN 5910-01-468-1112
NSN 5910-01-143-4938
NSN 6620-00-164-1493
NSN 5950-00-183-9396
NSN 5990-00-435-9400
NSN 5990-01-337-9859