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 5960-00-902-0942
NSN 5910-00-808-2634
NSN 5905-01-143-8463
NSN 5965-00-929-9415
NSN 5990-00-717-8022
NSN 6685-00-828-7126
NSN 7035-01-399-5354
NSN 5920-00-781-9317
NSN 5905-01-138-3394
NSN 5905-00-929-4922
NSN 6105-00-757-6356
NSN 5930-00-978-4799