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 6220-00-061-4140
NSN 6220-00-351-4556
NSN 5915-01-345-9070
NSN 6130-01-167-8911
NSN 6220-01-194-2963
NSN 5925-00-081-9135
NSN 5985-01-158-5506
NSN 5925-00-760-6350
NSN 5950-01-627-1634
NSN 6130-01-513-8849
NSN 5945-00-541-7833
NSN 6650-00-751-9958