One side coated with anti-reflective/anti-electrostatic material per american optical co. A050 or equivalent
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 5920-00-189-0858
NSN 5965-01-188-5849
NSN 6610-01-376-9199
NSN 6620-01-399-3615
NSN 6685-00-822-9465
NSN 6105-01-217-0119
NSN 6320-01-332-7020
NSN 6240-01-072-2278
NSN 5990-00-400-4794
NSN 5915-01-416-9445
NSN 6220-01-473-7539
NSN 5935-01-228-4571