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 6645-01-483-5519
NSN 5999-01-462-4856
NSN 5905-01-310-3730
NSN 5920-01-629-9523
NSN 5950-00-118-4074
NSN 5920-01-152-0592
NSN 6150-01-656-5225
NSN 5985-01-280-1194
NSN 5996-01-513-2521
NSN 2925-01-648-6859
NSN 5925-01-445-4658
NSN 5910-01-082-9523