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 6620-00-208-5447
NSN 6610-01-023-1918
NSN 7035-01-106-3476
NSN 5895-01-065-1659
NSN 6320-00-450-7014
NSN 6320-01-170-4068
NSN 5905-01-202-8184
NSN 6145-00-669-6795
NSN 6620-00-420-1061
NSN 5915-00-212-7970
NSN 5905-01-648-0238
NSN 5985-01-254-6293