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 5975-01-410-7647
NSN 6645-01-550-3191
NSN 5985-00-518-0313
NSN 6685-00-828-7126
NSN 5905-01-401-5325
NSN 5950-01-429-9726
NSN 5998-01-018-3579
NSN 5999-01-550-6831
NSN 5960-01-467-0961
NSN 5999-00-339-7791
NSN 5985-01-425-0285
NSN 6320-01-583-6809