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 5915-00-558-4413
NSN 6130-01-519-5102
NSN 5910-01-633-9963
NSN 5950-01-352-8520
NSN 6620-00-075-6667
NSN 5910-01-168-0193
NSN 6685-00-150-7080
NSN 5945-01-449-1281
NSN 6650-01-584-9606
NSN 5925-01-146-5528
NSN 5998-00-170-6756
NSN 6620-01-295-4390