Mounts by a 5/8-24 threaded hole on one end
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 6110-00-856-9583
NSN 5960-00-140-9583
NSN 6620-01-194-2626
NSN 6135-00-223-9563
NSN 2925-00-185-1618
NSN 5999-00-234-5808
NSN 6150-00-707-0123
NSN 5935-01-534-7547
NSN 5965-01-449-4606
NSN 6240-01-432-5773
NSN 5905-00-666-4983
NSN 5945-00-540-8178