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: Articles of lead, nesoi
NSN 5920-01-597-0121
NSN 4140-00-419-4481
NSN 5945-01-189-7533
NSN 5835-01-618-7621
NSN 6320-01-333-5782
NSN 5965-01-165-3002
NSN 5950-01-219-9353
NSN 5920-00-150-1148
NSN 6105-01-542-5797
NSN 5999-00-479-6700
NSN 6220-00-717-5099
NSN 6130-01-437-9325