A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 5835-01-538-8080
NSN 5905-01-598-0869
NSN 5999-01-456-9581
NSN 5945-01-535-0158
NSN 5835-01-242-9806
NSN 6130-01-341-7076
NSN 5910-00-279-7318
NSN 6150-01-357-6791
NSN 5910-01-227-1939
NSN 6110-01-633-9660
NSN 5895-00-021-8879
NSN 5950-00-754-5509