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 5950-01-347-7761
NSN 5998-01-300-6361
NSN 5920-01-640-9556
NSN 6150-00-316-3223
NSN 5915-01-594-1138
NSN 2925-01-190-3121
NSN 6645-01-641-1575
NSN 6240-01-080-9620
NSN 6685-01-656-9228
NSN 6240-01-431-5790
NSN 5960-01-305-5449
NSN 5998-01-629-4938