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 plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5925-00-591-2792
NSN 5985-01-225-3989
NSN 5975-01-161-1409
NSN 5915-01-512-7370
NSN 5975-00-649-6939
NSN 6610-00-104-7518
NSN 6610-00-681-0590
NSN 7035-00-513-9764
NSN 7035-00-703-3535
NSN 6220-01-379-8533
NSN 5895-00-850-8838
NSN 5990-01-340-3575