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 5935-01-441-2691
NSN 5996-00-952-3452
NSN 5915-01-633-9845
NSN 5985-01-519-9295
NSN 6130-00-255-2809
NSN 5910-00-342-4338
NSN 5905-01-029-0870
NSN 6320-00-893-2857
NSN 6110-01-127-7264
NSN 7035-00-421-8710
NSN 5985-01-335-3370
NSN 6620-00-990-3385