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 5990-01-411-5930
NSN 6650-00-025-0589
NSN 6645-01-513-4782
NSN 5895-01-196-3725
NSN 6320-00-422-9006
NSN 6220-01-120-7779
NSN 6240-01-281-8746
NSN 6320-01-108-5933
NSN 6620-01-108-5824
NSN 4140-01-597-1299
NSN 6145-01-455-5570
NSN 6220-01-394-5263