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 6220-01-567-6932
NSN 5910-00-928-1215
NSN 5998-01-198-4441
NSN 6610-01-099-0303
NSN 6220-01-308-6218
NSN 5975-01-299-2178
NSN 6320-00-070-4544
NSN 6220-01-339-7557
NSN 5925-01-515-8951
NSN 6110-00-961-1100
NSN 6620-00-025-1889
NSN 5930-01-381-6277