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 6320-00-004-9158
NSN 5935-00-065-0195
NSN 4140-00-242-6465
NSN 5895-01-098-9141
NSN 5930-01-413-5009
NSN 6620-01-633-8443
NSN 7035-01-158-7673
NSN 5910-01-053-1432
NSN 6145-00-754-8372
NSN 5910-00-398-0930
NSN 5975-01-364-1117
NSN 7035-01-243-8523