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 6650-00-001-9473
NSN 6685-01-198-3245
NSN 5960-00-758-5064
NSN 5910-01-212-4231
NSN 6145-01-200-8643
NSN 5950-01-592-4779
NSN 5935-01-171-4384
NSN 5935-01-605-4575
NSN 6105-00-178-0094
NSN 5999-01-526-8013
NSN 6105-01-044-0193
NSN 5935-01-361-6305