Description:

1 ply quantity, 7.470 inches overall length, 1.220 inches overall width, 0.187 inches overall thickness, any acceptable environmental protection.

Special Features:

Two 0.210 in. Diameter min, 0.230 in. Diameter max mtg holes spaced 6.630 in. C to c, 0.440 in. From each end

Properties:

A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.