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 6150-01-136-1530
NSN 5920-01-629-6934
NSN 5895-01-169-7008
NSN 6240-01-062-0878
NSN 5920-01-230-3035
NSN 5835-00-985-1444
NSN 5999-00-350-6052
NSN 5950-01-506-4694
NSN 5910-00-225-2850
NSN 5965-01-027-6554
NSN 6130-01-129-2521
NSN 6240-01-659-0229