4holes 0.140 in. Diameter spaced 3.375 in. By 1.375 in. Mtg centers
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.
Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5945-01-445-6081
NSN 6620-01-232-8550
NSN 5950-01-206-4800
NSN 6110-01-460-6735
NSN 6105-01-614-7419
NSN 6130-01-359-7853
NSN 5935-00-490-9842
NSN 5975-00-426-8794
NSN 5935-00-734-5353
NSN 6110-01-531-3616
NSN 5920-01-463-2530
NSN 5960-00-423-7842