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 6105-00-855-0760
NSN 6320-00-682-3448
NSN 6620-00-946-8060
NSN 7035-01-069-3537
NSN 6105-00-760-4626
NSN 6135-01-523-3198
NSN 5895-01-117-8463
NSN 6620-01-627-0478
NSN 5960-00-617-6371
NSN 6220-00-770-7658
NSN 6650-01-378-3460
NSN 2925-00-636-4026