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 6610-01-003-9763
NSN 5915-01-297-0722
NSN 5990-01-480-9938
NSN 5895-01-117-7740
NSN 6320-01-397-0399
NSN 5996-01-286-3806
NSN 6610-01-102-2256
NSN 4140-01-108-3654
NSN 6240-01-616-6813
NSN 5998-01-545-4189
NSN 5945-00-909-8548
NSN 5999-00-792-0561