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 5990-00-359-9839
NSN 5925-00-721-3206
NSN 6320-01-583-6809
NSN 6320-00-194-4252
NSN 6130-00-301-1185
NSN 5985-01-041-8132
NSN 5915-01-057-1882
NSN 4140-01-551-5840
NSN 5945-01-379-2985
NSN 6150-01-586-4473
NSN 5960-01-495-0859
NSN 5930-01-570-6110