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 5855-00-610-4052
NSN 2925-01-340-5504
NSN 5935-00-489-5431
NSN 6645-00-491-8963
NSN 5975-01-044-4039
NSN 5855-00-548-4742
NSN 5985-01-525-8234
NSN 5998-00-050-9370
NSN 5935-01-031-5627
NSN 5960-01-398-9538
NSN 5998-00-067-4316
NSN 6135-00-950-2669