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 5930-01-389-9873
NSN 5999-01-313-6347
NSN 6645-01-076-4655
NSN 6610-01-088-5871
NSN 5965-01-227-9937
NSN 4140-00-225-8586
NSN 4140-01-290-3608
NSN 5895-00-449-7472
NSN 6105-01-398-1674
NSN 6320-00-116-3658
NSN 5950-01-289-0923
NSN 6105-01-196-3511