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 6240-01-406-2317
NSN 6145-00-971-8284
NSN 6135-01-518-4507
NSN 6685-01-376-1113
NSN 5905-00-862-9067
NSN 5985-01-051-9432
NSN 6105-00-839-6549
NSN 5930-00-859-0665
NSN 6650-01-332-3799
NSN 5945-01-648-4778
NSN 6685-00-209-4400
NSN 6130-01-320-3031