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 5905-01-309-6833
NSN 6220-01-015-2956
NSN 6105-00-009-4318
NSN 6150-00-185-3293
NSN 5965-00-990-8669
NSN 2925-01-065-0060
NSN 6685-01-233-6264
NSN 5990-00-288-1820
NSN 6145-00-100-4358
NSN 5950-01-328-8215
NSN 5950-00-261-8016
NSN 5999-01-451-4312