Four corners cutouts 0.19 in. By 45 deg; non-glare
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 5998-00-297-4522
NSN 5965-01-428-3348
NSN 5965-00-900-6401
NSN 5835-00-315-3797
NSN 5960-00-533-1125
NSN 6645-01-338-9152
NSN 5855-00-688-9954
NSN 6620-01-251-8856
NSN 5905-01-579-6952
NSN 6135-00-874-6566
NSN 5920-00-291-1379
NSN 6220-01-554-8311