45.0 degrees by 0.047 in deep chamfer on edge of both sides
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 4140-01-340-7606
NSN 5925-00-246-4645
NSN 5905-01-421-2691
NSN 5935-01-422-0385
NSN 5905-01-606-9680
NSN 5999-01-640-7191
NSN 5945-01-331-9561
NSN 5895-01-200-7150
NSN 6110-01-275-7960
NSN 5985-00-120-2197
NSN 5960-01-491-9916
NSN 5920-00-887-6514