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 5950-01-239-4458
NSN 5905-01-216-1001
NSN 5999-01-116-2638
NSN 6150-01-455-8931
NSN 5965-01-029-5222
NSN 5835-00-489-4513
NSN 6610-01-085-1364
NSN 6145-01-023-9263
NSN 5895-01-304-2564
NSN 6105-01-467-7002
NSN 6150-01-535-4252
NSN 2925-01-376-9236