Both sides polished
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 4140-01-417-2611
NSN 6130-00-260-1791
NSN 5990-01-254-3197
NSN 5835-00-480-5671
NSN 6110-01-062-2208
NSN 5950-00-837-2369
NSN 2925-00-774-8247
NSN 6110-01-169-9053
NSN 5999-01-145-9150
NSN 5905-01-607-1004
NSN 5945-01-399-2243
NSN 5910-01-532-4231