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 5895-00-990-4659
NSN 5915-01-512-8851
NSN 5998-01-519-7848
NSN 6130-01-242-9720
NSN 5985-00-225-8924
NSN 5945-01-229-7535
NSN 5930-01-567-3055
NSN 6645-00-880-5927
NSN 4140-00-421-9772
NSN 5835-01-463-2334
NSN 6620-00-322-2832
NSN 5950-01-412-0262