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 4140-00-627-2556
NSN 5895-01-619-1094
NSN 4140-00-824-6053
NSN 6135-01-651-7287
NSN 5975-00-900-4013
NSN 6320-00-070-4544
NSN 5905-00-636-9999
NSN 6610-01-555-8364
NSN 5855-00-494-9581
NSN 6145-01-327-3328
NSN 6110-01-099-6893
NSN 5930-01-647-3747