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 6150-00-218-0891
NSN 5855-00-079-2370
NSN 6685-01-350-4330
NSN 5925-01-133-8453
NSN 5915-01-003-7945
NSN 5999-01-082-2182
NSN 5998-00-707-2414
NSN 6130-00-941-1292
NSN 6110-01-310-8476
NSN 6320-00-937-5625
NSN 2925-01-649-7543
NSN 6145-00-243-0583