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 5925-01-476-3879
NSN 5905-00-721-0026
NSN 5985-00-375-1837
NSN 5835-00-419-0575
NSN 6320-01-233-5798
NSN 5998-01-214-8888
NSN 5915-00-203-2859
NSN 5925-01-411-5222
NSN 5945-00-904-0228
NSN 5930-01-209-8354
NSN 5910-01-194-4237
NSN 6135-01-463-2445