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 4140-00-011-2988
NSN 5998-01-640-7207
NSN 6110-01-478-3588
NSN 5895-01-300-4465
NSN 5990-01-419-0661
NSN 5945-01-286-2914
NSN 5965-01-540-3027
NSN 5895-00-117-4257
NSN 5930-00-133-4033
NSN 6240-00-275-1950
NSN 6240-01-093-0837
NSN 5950-01-338-0715