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: Other articles of iron or steel not wire nesoi
NSN 5920-00-621-6601
NSN 5835-01-332-2867
NSN 5990-00-389-0554
NSN 5905-00-062-4038
NSN 5985-01-513-2182
NSN 5950-01-153-2650
NSN 6610-01-013-8922
NSN 6650-01-508-7817
NSN 6220-01-262-5320
NSN 5925-01-138-7931
NSN 5915-01-307-5567
NSN 6620-01-179-9737