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 6685-01-222-3455
NSN 6650-01-434-0331
NSN 5999-01-463-9708
NSN 5915-01-113-7872
NSN 5975-01-578-7001
NSN 6110-01-443-6223
NSN 5975-01-005-3734
NSN 5985-01-460-4463
NSN 5950-01-018-0891
NSN 5998-01-453-5971
NSN 5895-00-877-3432
NSN 5835-01-143-9143