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.
NSN 5930-01-502-3915
NSN 2925-01-129-1261
NSN 5945-01-146-9688
NSN 6645-01-468-4990
NSN 5996-00-148-7010
NSN 5855-01-499-1240
NSN 5945-00-855-5007
NSN 4140-00-878-1222
NSN 6145-01-346-0601
NSN 5915-01-605-2937
NSN 5960-00-769-5103
NSN 5998-00-784-3263