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 6150-01-506-9441
NSN 5950-00-646-3425
NSN 6320-01-228-2380
NSN 5915-00-838-8444
NSN 6240-01-077-3788
NSN 6150-00-076-8808
NSN 6645-00-117-9839
NSN 4140-00-342-9729
NSN 5895-01-249-4030
NSN 6150-00-187-7287
NSN 5945-00-246-5740
NSN 6135-00-491-9864