Not tempered
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 7035-01-250-5744
NSN 6620-00-273-1511
NSN 5930-00-090-0873
NSN 5996-01-411-6195
NSN 5935-00-421-8886
NSN 5965-00-553-6898
NSN 6610-01-259-5296
NSN 6110-01-476-8067
NSN 5960-00-201-5265
NSN 5930-01-430-4022
NSN 5998-01-604-9351
NSN 2925-01-531-1202