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.
NSN 6320-00-564-2772
NSN 6610-01-565-6660
NSN 5905-00-295-3039
NSN 5905-01-039-3753
NSN 5835-01-054-2094
NSN 5930-01-547-3106
NSN 6130-01-363-3029
NSN 6220-01-518-3360
NSN 5975-01-618-5806
NSN 5950-01-615-5720
NSN 4140-01-316-9889
NSN 5999-01-084-8338