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 6145-00-834-2676
NSN 5965-00-840-6542
NSN 5895-01-418-9656
NSN 6645-01-200-5289
NSN 5999-01-133-5362
NSN 5910-01-453-7160
NSN 5905-00-109-9879
NSN 5930-00-753-8777
NSN 5998-00-175-7352
NSN 6130-01-406-5609
NSN 6240-01-400-3424
NSN 5996-01-144-4691