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 5975-01-256-2562
NSN 5935-01-634-0668
NSN 5930-00-552-6920
NSN 6135-00-377-9165
NSN 2925-00-265-7539
NSN 4140-00-270-4457
NSN 5905-00-572-8654
NSN 5999-01-472-3618
NSN 6145-01-567-6068
NSN 6150-01-519-9309
NSN 5905-00-925-9313
NSN 6135-01-040-1446