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 5999-01-548-9498
NSN 6650-01-548-2123
NSN 6320-01-190-1397
NSN 5835-00-137-7945
NSN 6240-01-359-2721
NSN 6145-01-055-6340
NSN 6620-00-119-2803
NSN 5910-00-465-0331
NSN 5990-01-481-8441
NSN 5998-00-862-7299
NSN 5998-01-104-0963
NSN 5985-00-835-0391