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 5895-00-450-5750
NSN 6145-00-140-1605
NSN 6645-01-613-2053
NSN 6110-01-535-2316
NSN 5855-00-797-8217
NSN 6610-00-287-6884
NSN 5960-00-104-5955
NSN 6620-01-378-9193
NSN 5975-01-378-7099
NSN 6145-00-495-3384
NSN 5945-00-243-4148
NSN 6240-01-633-9357