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 6240-01-023-7720
NSN 5915-01-610-3771
NSN 6645-01-571-8578
NSN 6620-00-079-0311
NSN 6650-01-301-2343
NSN 6145-01-331-7799
NSN 4140-00-479-9326
NSN 6105-00-511-3358
NSN 6105-01-102-4425
NSN 6110-01-085-7214
NSN 5990-01-512-9129
NSN 6650-01-100-6560