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 6150-01-542-8724
NSN 5950-01-461-7939
NSN 5930-00-900-9807
NSN 5945-01-104-4926
NSN 5996-00-947-0804
NSN 5915-01-660-2413
NSN 5965-00-303-9701
NSN 6135-01-346-0851
NSN 5895-01-214-7606
NSN 5925-01-425-2326
NSN 2925-01-556-0333
NSN 5945-01-501-4872