Heat and weathering resistant, anti-reflection coated on both sides
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 5975-00-134-0401
NSN 5985-01-154-9195
NSN 5910-01-649-3398
NSN 5895-01-237-3799
NSN 6220-01-334-6975
NSN 5895-01-012-9335
NSN 5855-01-643-4298
NSN 4140-01-573-6336
NSN 6685-01-243-0372
NSN 6610-00-737-6611
NSN 6620-01-240-3361
NSN 5915-01-524-4157