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 5985-01-472-2025
NSN 5895-00-247-3004
NSN 6620-00-245-3242
NSN 5945-00-510-5511
NSN 6240-01-399-4105
NSN 5835-01-252-5879
NSN 5920-01-441-8316
NSN 5945-01-541-8881
NSN 4140-01-488-3969
NSN 5945-00-710-7210
NSN 5985-00-253-4708
NSN 4140-01-472-2442