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 5905-00-285-2866
NSN 5915-01-556-4282
NSN 5835-01-036-4951
NSN 6620-01-236-6290
NSN 5895-01-110-6737
NSN 5999-01-248-3613
NSN 5950-00-890-7901
NSN 2925-01-543-0073
NSN 6135-01-597-1901
NSN 5996-00-140-8601
NSN 5975-01-063-7577
NSN 6130-01-426-1789