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 5915-01-366-1989
NSN 5999-00-989-0325
NSN 4140-00-555-3856
NSN 5990-00-461-5372
NSN 6320-01-036-2598
NSN 5855-00-586-6255
NSN 6240-00-170-5302
NSN 6220-01-031-9505
NSN 5985-01-513-1509
NSN 5965-01-243-5494
NSN 5905-01-027-3920
NSN 5935-00-554-4124