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 6320-01-352-5653
NSN 5905-01-627-0589
NSN 5895-01-450-4797
NSN 6150-01-197-0403
NSN 6145-00-965-8069
NSN 6105-00-490-6035
NSN 6685-01-633-6372
NSN 5990-00-421-5135
NSN 6320-01-631-7828
NSN 6320-00-790-4844
NSN 6610-01-168-7943
NSN 6620-01-111-9064