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 6220-01-507-9820
NSN 5910-01-280-2090
NSN 5915-01-231-3354
NSN 5999-01-252-8092
NSN 5965-01-587-6003
NSN 5905-00-836-5178
NSN 5920-00-103-7642
NSN 7035-01-119-2234
NSN 6610-01-406-6696
NSN 6105-00-177-6300
NSN 7035-01-617-6136
NSN 6150-01-491-8420