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 lead, nesoi
NSN 4140-01-281-0222
NSN 6320-01-195-5583
NSN 6650-01-524-4589
NSN 6620-00-523-4973
NSN 6135-01-618-2199
NSN 6685-01-042-4245
NSN 5905-01-078-2897
NSN 4140-00-409-6785
NSN 5960-01-063-6846
NSN 5996-00-117-4337
NSN 5915-01-322-5876
NSN 5960-01-378-1729