Four 0.140 in. Diameter mtg holes spaced on 1.375 in. By 3.375 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 7035-00-922-5700
NSN 5915-01-297-2872
NSN 5915-01-573-5980
NSN 6645-00-420-5072
NSN 5930-01-262-8418
NSN 6620-00-137-0332
NSN 5965-01-569-0074
NSN 5950-01-341-6612
NSN 4140-01-350-2532
NSN 5835-00-419-6576
NSN 6150-00-102-7881
NSN 6645-01-554-7557