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 5945-01-169-6410
NSN 5930-00-389-6473
NSN 5855-01-118-6001
NSN 6685-01-325-1656
NSN 6650-01-328-0546
NSN 6130-00-265-0692
NSN 5950-01-388-0860
NSN 5975-01-634-0678
NSN 5855-00-327-2112
NSN 5915-01-012-0791
NSN 5925-01-454-4419
NSN 6645-01-290-3930