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 6320-00-098-2858
NSN 7035-01-659-7528
NSN 4140-01-420-5421
NSN 5990-01-285-4633
NSN 6240-01-480-8996
NSN 5930-01-580-5861
NSN 2925-00-477-2654
NSN 6240-01-361-9167
NSN 5996-01-094-7025
NSN 6620-00-411-0179
NSN 6645-01-386-6311
NSN 5855-01-308-0955