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 6145-00-366-5790
NSN 6320-01-089-9086
NSN 6150-01-456-0231
NSN 6220-01-055-7423
NSN 4140-00-497-8402
NSN 6240-01-102-1555
NSN 5975-01-102-6982
NSN 6685-01-591-4984
NSN 5985-01-446-8269
NSN 6240-01-643-1262
NSN 6610-01-618-2158
NSN 6135-00-134-6648