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 5835-01-070-8321
NSN 5935-01-083-1660
NSN 5930-01-584-3509
NSN 6130-01-466-0637
NSN 5996-00-111-1538
NSN 6145-00-628-7088
NSN 5965-01-621-2955
NSN 5990-01-544-0364
NSN 6220-00-450-2175
NSN 6145-00-493-4073
NSN 6685-01-426-8929
NSN 5965-01-479-9155