A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.
Classification: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 6150-01-470-1526
NSN 5895-00-417-5529
NSN 5835-01-561-2959
NSN 5855-00-763-2155
NSN 6650-01-467-2355
NSN 4140-00-836-4794
NSN 6645-00-968-6118
NSN 6240-01-568-1794
NSN 6130-01-371-2417
NSN 6240-01-516-6243
NSN 7035-00-406-0568
NSN 6620-01-401-5356