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 5915-00-278-5561
NSN 6220-01-293-5450
NSN 5930-00-932-4928
NSN 5960-01-265-0354
NSN 6685-01-393-1280
NSN 6610-00-963-9435
NSN 6645-01-541-1582
NSN 5990-01-493-4039
NSN 6320-00-779-5923
NSN 5905-00-508-4821
NSN 6645-00-404-1785
NSN 5965-00-513-1352