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 5975-01-586-3215
NSN 6620-01-155-3062
NSN 6240-01-032-3534
NSN 6645-01-582-2601
NSN 5998-01-592-1701
NSN 5965-01-564-2330
NSN 6620-00-199-8734
NSN 5835-00-440-9066
NSN 6130-01-318-9433
NSN 4140-00-761-7761
NSN 5910-01-355-6501
NSN 6145-00-360-7760