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 5915-01-529-0577
NSN 6610-01-304-3226
NSN 5996-00-176-0999
NSN 6620-00-881-3908
NSN 5950-01-089-9860
NSN 6150-01-434-6527
NSN 5965-01-565-8240
NSN 5930-00-155-1040
NSN 5835-01-561-2959
NSN 5930-00-973-9630
NSN 5998-01-011-4949
NSN 6320-01-481-7322