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: Other articles of iron or steel not wire nesoi
NSN 5975-01-197-0472
NSN 6130-00-869-0758
NSN 6150-01-627-1516
NSN 5999-00-554-9966
NSN 6645-01-641-1575
NSN 5915-00-368-4564
NSN 5996-01-146-4202
NSN 5960-01-585-6385
NSN 2925-00-891-9289
NSN 5925-00-337-8138
NSN 5925-01-617-5089
NSN 6620-01-274-0203