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 5920-00-038-3990
NSN 5999-01-112-3051
NSN 5950-01-063-6889
NSN 5895-00-847-8935
NSN 6620-01-469-2352
NSN 6620-01-284-6526
NSN 5999-01-374-8659
NSN 6220-01-097-6202
NSN 5965-00-342-5126
NSN 5999-01-244-4352
NSN 6105-00-141-5598
NSN 6620-00-104-6937