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 5905-01-187-1888
NSN 5905-01-418-2230
NSN 6220-01-602-2942
NSN 5925-01-076-4458
NSN 5945-01-303-1408
NSN 5915-01-570-9035
NSN 5990-00-345-8967
NSN 5965-01-116-8487
NSN 7035-01-359-7460
NSN 6130-01-508-7732
NSN 5945-01-576-7201
NSN 6110-01-453-5015