Special Features:

One slot 0.120 in. Min and 0.150 in. Max width 0.100 in. Min and 0.120 in. Max depth. Outside edges chamferedarc same side as slot. Arc 0.851 in. Wide 0.100 in. Min and 0.120 in. Max depth, 0.480 in. Min and 0.520 in. Max radius two places

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.