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 5935-01-417-1459
NSN 6130-01-428-2301
NSN 5999-00-904-2126
NSN 5895-01-294-2498
NSN 6220-01-596-9594
NSN 5999-00-758-4587
NSN 5996-01-367-2081
NSN 6610-01-081-7532
NSN 5925-00-660-7589
NSN 6610-01-546-2802
NSN 6150-01-386-3821
NSN 5895-01-473-4368