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 5999-01-605-0481
NSN 5960-00-617-9312
NSN 6650-00-839-2527
NSN 5950-01-503-3625
NSN 6130-01-464-5082
NSN 5990-00-683-1095
NSN 5965-00-350-2367
NSN 6645-01-462-2101
NSN 5925-01-160-2060
NSN 5965-00-698-0433
NSN 6110-01-440-9158
NSN 5996-01-383-7298