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 5915-01-119-4090
NSN 5910-01-410-8658
NSN 5945-01-046-8181
NSN 5915-01-422-2014
NSN 5990-01-652-7373
NSN 5895-01-598-4818
NSN 5905-01-146-4352
NSN 6150-01-250-2772
NSN 6240-01-360-6965
NSN 5925-01-128-4374
NSN 5999-00-856-7368
NSN 7035-00-392-5417