Color ruby red no. 60, material polycarbonate
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 5930-01-388-2000
NSN 5965-01-631-4090
NSN 6145-00-407-5676
NSN 5930-01-584-7811
NSN 5999-01-030-5220
NSN 7035-01-123-8723
NSN 5855-01-364-1005
NSN 2925-01-535-3167
NSN 5965-01-428-3348
NSN 5998-01-245-8668
NSN 6320-00-194-4252
NSN 7035-01-123-8723