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 5990-01-175-2597
NSN 5950-01-335-2592
NSN 6145-01-213-5908
NSN 5960-01-450-8539
NSN 2925-01-415-0264
NSN 5998-00-961-8637
NSN 5998-01-657-7942
NSN 6645-01-370-5264
NSN 5975-01-408-2994
NSN 5990-01-052-5970
NSN 6150-01-359-2637
NSN 5910-01-197-2848