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 5996-01-608-5244
NSN 5996-00-928-9967
NSN 6610-01-242-9674
NSN 5855-00-951-6483
NSN 5960-01-658-9538
NSN 5935-00-276-9413
NSN 5835-01-263-1293
NSN 5915-00-552-9598
NSN 5960-01-181-2143
NSN 5915-01-422-5494
NSN 6105-00-449-5301
NSN 5945-00-290-1779