A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 2925-01-032-3814
NSN 5996-00-087-2299
NSN 6240-01-253-0687
NSN 2925-01-079-6229
NSN 5895-01-049-3064
NSN 5960-01-423-4240
NSN 5965-00-230-4162
NSN 6610-01-328-1523
NSN 5835-01-235-9051
NSN 6135-01-582-2131
NSN 5930-00-999-4753
NSN 6320-00-994-0179