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 6145-01-431-8803
NSN 6240-01-606-8924
NSN 5965-00-137-2605
NSN 6150-01-224-4123
NSN 5835-00-606-7042
NSN 6620-01-396-2149
NSN 5930-01-128-7023
NSN 2925-00-533-6262
NSN 2925-01-533-7904
NSN 6220-00-055-9917
NSN 5915-01-654-0965
NSN 6145-01-508-3825