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 5895-01-134-1785
NSN 6220-01-040-5653
NSN 6135-01-231-4809
NSN 5960-01-090-4205
NSN 6610-01-160-3770
NSN 6240-01-032-5105
NSN 6240-01-495-9845
NSN 6220-01-188-5610
NSN 6220-00-466-2681
NSN 6110-01-228-8384
NSN 5999-00-664-1818
NSN 5910-01-658-4313