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 6110-00-431-4388
NSN 5998-00-033-9692
NSN 5999-01-414-8613
NSN 5950-00-099-9612
NSN 6320-00-994-0179
NSN 5895-01-225-1918
NSN 5925-01-137-6161
NSN 5925-01-409-2616
NSN 6320-01-278-9832
NSN 5945-01-064-9648
NSN 5930-00-815-0967
NSN 5855-00-586-6255