A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. 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 6685-01-320-5236
NSN 5920-01-094-7284
NSN 6110-01-116-3397
NSN 5855-01-103-8650
NSN 5960-01-230-9322
NSN 5990-00-722-4719
NSN 5895-01-535-1003
NSN 5855-01-003-7102
NSN 6135-00-856-1343
NSN 5925-01-503-6177
NSN 6145-01-442-6935
NSN 6150-00-358-8076