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 5965-01-158-4187
NSN 6610-01-229-3679
NSN 6685-00-290-1152
NSN 6650-00-318-6033
NSN 6610-00-824-3376
NSN 5945-01-627-9124
NSN 5905-01-535-1849
NSN 5910-01-319-6254
NSN 6145-00-279-4494
NSN 5990-01-245-7299
NSN 6610-00-454-0284
NSN 6130-00-272-5351