A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6150-00-372-5979
NSN 5910-01-474-0361
NSN 2925-01-633-0225
NSN 5960-01-462-1864
NSN 5930-01-247-5374
NSN 7035-01-210-0493
NSN 4140-01-215-2191
NSN 5905-01-499-3745
NSN 5935-01-180-4203
NSN 5950-00-186-8359
NSN 6110-01-595-7002
NSN 5996-01-065-3440