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: Magnesium, wrought
NSN 5835-01-631-3940
NSN 5998-00-273-9542
NSN 5965-01-258-8735
NSN 6240-00-495-5712
NSN 5975-01-084-6114
NSN 6105-01-010-0827
NSN 5920-01-250-7449
NSN 6105-01-246-7402
NSN 5835-01-442-6079
NSN 5950-01-043-5951
NSN 5998-00-170-6721
NSN 5910-00-142-8706