Special Features:

Item is 2.250 in dia, 0.500 in wide; 4 slotss everly spaced 0.375 in wide, 0.594 in long; 2 holes 0.375 in dia, cbore 0.562 in diameter 0.380 in deep; 2 threaded holes no. 1 (.190) 32unf-3b, 1 hole 0.265 in dia; end item m60 tankseries, m10 bal dr series, m48a5 tank, araav m551a1

Properties:

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.