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.
NSN 5925-01-178-2555
NSN 5855-01-285-3483
NSN 5895-00-873-2626
NSN 4140-01-094-6836
NSN 6105-00-686-5557
NSN 6620-01-488-9547
NSN 6650-01-548-1687
NSN 5950-01-377-9599
NSN 5910-01-591-0054
NSN 5895-00-060-8987
NSN 6145-01-152-2417
NSN 6145-00-234-0251