2.5 inch thick
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.
NSN 5930-00-007-5971
NSN 5905-01-567-6953
NSN 6110-01-490-0246
NSN 6320-00-483-0451
NSN 6685-01-104-1782
NSN 4140-01-307-3143
NSN 5950-00-719-5294
NSN 6685-01-319-4545
NSN 5950-00-045-9376
NSN 5985-01-208-3598
NSN 5935-00-758-5591
NSN 6130-01-123-9041