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 6240-01-443-9688
NSN 5998-01-198-3273
NSN 5945-01-021-1345
NSN 5950-00-874-5669
NSN 5925-01-103-8322
NSN 5975-00-232-1785
NSN 5990-00-899-9836
NSN 5996-00-401-4904
NSN 6220-01-467-2543
NSN 2925-01-542-9403
NSN 5975-01-586-3964
NSN 5895-00-482-7335