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 6145-01-463-3281
NSN 5965-01-012-1065
NSN 6240-00-470-4662
NSN 6220-01-043-6500
NSN 5895-00-628-2078
NSN 6220-00-050-6743
NSN 5895-01-209-2617
NSN 5998-00-762-2792
NSN 6685-00-161-5752
NSN 5998-01-061-7286
NSN 5925-00-999-9320
NSN 6620-01-283-6961