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 5915-00-021-7106
NSN 6685-00-527-7952
NSN 2925-00-155-2100
NSN 5990-00-518-0684
NSN 5996-01-624-3209
NSN 5950-00-473-6066
NSN 6135-00-122-2420
NSN 5999-01-538-9664
NSN 5999-01-205-5027
NSN 5945-00-350-2235
NSN 6645-00-813-3084
NSN 5996-01-112-0154