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 aluminum nesoi
NSN 5905-01-062-0170
NSN 5910-00-720-8320
NSN 6685-01-238-5622
NSN 5950-01-534-8528
NSN 6110-00-356-5388
NSN 7035-01-252-1539
NSN 6150-00-184-5523
NSN 5965-01-487-4479
NSN 5920-00-263-2192
NSN 5985-01-406-4274
NSN 5990-00-686-5868
NSN 5999-01-122-7903