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 6685-01-265-8724
NSN 4140-01-333-9610
NSN 5990-00-902-0964
NSN 5950-01-302-8999
NSN 5835-00-233-6327
NSN 2925-01-112-8782
NSN 6150-01-329-7551
NSN 5855-01-363-8646
NSN 5905-00-733-8075
NSN 5999-01-170-4354
NSN 5920-01-191-9847
NSN 6110-01-633-9660