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 5925-01-457-9336
NSN 5855-01-654-7314
NSN 5935-01-323-7118
NSN 5960-01-352-0451
NSN 5998-00-408-8846
NSN 5996-00-015-0436
NSN 5930-01-413-8627
NSN 5930-00-115-5351
NSN 6620-01-064-0366
NSN 6145-01-452-1254
NSN 5960-00-502-4896
NSN 5895-01-621-2957