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 6110-00-033-5444
NSN 5996-01-066-0335
NSN 6145-01-556-2516
NSN 6685-01-379-9882
NSN 6150-01-574-8508
NSN 6150-01-391-7173
NSN 6320-01-332-7020
NSN 6150-00-596-9882
NSN 6240-01-563-3990
NSN 5945-00-133-3007
NSN 6130-00-035-3898
NSN 6650-01-630-3038