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 5965-00-566-4221
NSN 6150-00-123-8840
NSN 6610-01-434-4958
NSN 5945-00-100-5901
NSN 2925-00-853-5039
NSN 6610-00-720-8775
NSN 5950-01-040-6327
NSN 6135-01-579-3534
NSN 4140-00-671-1121
NSN 5905-01-634-0595
NSN 5998-01-523-8757
NSN 5950-01-542-9358