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 6685-01-258-8140
NSN 6645-01-508-0345
NSN 5965-01-215-0993
NSN 5905-01-167-7420
NSN 5945-00-325-5140
NSN 6645-00-445-8143
NSN 5999-01-150-7127
NSN 6130-01-400-6123
NSN 5905-01-421-3726
NSN 6320-00-284-1524
NSN 5999-00-504-0410
NSN 5996-01-327-7835