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 5915-00-117-4688
NSN 6645-01-143-0137
NSN 6650-01-599-9849
NSN 5998-01-090-5145
NSN 5930-00-247-9092
NSN 5945-01-045-4425
NSN 5975-01-169-2522
NSN 6320-00-300-5556
NSN 2925-00-896-9819
NSN 6145-00-147-8515
NSN 5960-01-160-3437
NSN 5905-01-654-7714