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 7035-00-421-8710
NSN 5895-01-394-5469
NSN 5975-01-296-7331
NSN 5935-01-430-5537
NSN 6110-01-361-4960
NSN 6320-00-456-0836
NSN 5960-00-473-2602
NSN 5855-01-020-7982
NSN 5945-01-623-7999
NSN 6220-01-222-0724
NSN 5855-00-151-3853
NSN 5950-01-097-2816