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 5895-01-471-8346
NSN 5905-01-461-4904
NSN 5915-00-908-0167
NSN 6610-01-189-3001
NSN 5855-01-085-5354
NSN 4140-01-275-5234
NSN 6610-01-174-1622
NSN 5998-01-433-9592
NSN 5950-01-510-9445
NSN 6220-01-145-4993
NSN 5855-01-218-3735
NSN 6220-00-262-7863