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 5910-01-409-1156
NSN 7035-00-760-5479
NSN 5920-01-069-4999
NSN 5985-00-186-0732
NSN 6110-00-848-7665
NSN 6240-00-309-7767
NSN 5905-01-352-5824
NSN 5920-01-325-5680
NSN 4140-01-111-2486
NSN 6645-00-930-3566
NSN 5965-00-947-2310
NSN 5925-01-411-3466