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 6240-01-067-6457
NSN 6110-01-246-2673
NSN 5895-00-287-6375
NSN 6130-00-077-0114
NSN 6650-01-063-6604
NSN 6320-01-648-5538
NSN 6220-01-013-9498
NSN 6685-01-590-0096
NSN 5985-00-186-8755
NSN 6645-00-952-4509
NSN 6610-01-346-8241
NSN 5935-01-134-3769