9330-99-108-5879

Observation Window

9330991085879 991085879 SST/Y/531/20/A002/000 SST/Y/531/30/A002/000 SST/Y/531/40/A002/000 X/4554D X/4562D 001293221 001293222 001293223 TFSW92A X/4554D ITEM 31 X/4562D ITEM 31 001293221 ITEM 31 001293222 ITEM 31 001293223 ITEM 31

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. View more Observation Window