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 5965-01-388-1379
NSN 5998-01-469-7499
NSN 4140-01-581-3975
NSN 5920-00-499-5203
NSN 6610-01-407-8144
NSN 5905-01-301-2899
NSN 5945-00-959-5440
NSN 5835-01-167-1824
NSN 6145-01-548-0591
NSN 5950-01-044-9700
NSN 5855-01-300-0983
NSN 5910-01-399-8737