A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Articles of aluminum nesoi
NSN 5998-00-596-9568
NSN 5998-01-097-6261
NSN 5990-00-767-0893
NSN 5905-00-192-1883
NSN 6130-01-428-0943
NSN 5930-01-622-4407
NSN 7035-01-554-7482
NSN 5975-00-541-8531
NSN 6220-00-591-7270
NSN 2925-01-065-0060
NSN 5910-00-501-9387
NSN 6135-00-932-3136