Electrically heated
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: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 6110-01-038-2028
NSN 5930-00-217-2647
NSN 5905-01-107-7222
NSN 6145-01-487-5589
NSN 6135-00-728-9860
NSN 5935-00-350-5045
NSN 6645-01-626-3651
NSN 6620-00-814-4770
NSN 6320-01-243-2276
NSN 6610-01-466-9985
NSN 6620-01-376-3744
NSN 5985-00-760-4159