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 5999-01-620-6427
NSN 5945-01-199-0269
NSN 5965-01-245-6585
NSN 5996-00-201-3763
NSN 5930-01-435-6542
NSN 5998-01-004-7803
NSN 6145-01-423-9070
NSN 6620-00-963-1319
NSN 5985-00-905-6609
NSN 6320-01-422-1212
NSN 5990-01-437-4876
NSN 5855-01-205-7030