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 5930-01-286-0513
NSN 5965-01-514-0932
NSN 5925-01-634-0664
NSN 6240-01-385-5756
NSN 6320-00-422-9006
NSN 6645-01-437-9017
NSN 5960-01-057-5802
NSN 6150-01-556-6327
NSN 5999-00-904-8151
NSN 5915-01-054-3109
NSN 6240-00-519-3399
NSN 2925-01-231-6312