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 6105-01-469-7769
NSN 2925-00-579-7454
NSN 6220-01-128-5814
NSN 6620-01-133-4193
NSN 6645-01-172-4477
NSN 6240-01-437-9439
NSN 6130-01-088-6693
NSN 5930-01-359-2088
NSN 6145-01-097-0746
NSN 5905-00-462-7298
NSN 6645-01-475-4723
NSN 5935-01-444-1184