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 6110-00-150-1169
NSN 5950-00-453-6175
NSN 6110-01-423-1655
NSN 5965-01-443-5490
NSN 5855-01-029-8733
NSN 6685-01-554-6579
NSN 5920-01-459-6780
NSN 6150-00-213-8189
NSN 5835-01-161-7461
NSN 5996-00-518-4880
NSN 6220-00-329-1375
NSN 4140-01-414-5320