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 5935-01-649-1601
NSN 6130-01-478-9390
NSN 7035-01-271-1643
NSN 5996-01-291-3076
NSN 5835-00-198-4936
NSN 6620-00-246-6448
NSN 5975-01-428-8985
NSN 5998-01-025-5761
NSN 6130-01-216-4439
NSN 5945-01-412-1393
NSN 5905-00-352-7147
NSN 5950-01-472-3997