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 5990-01-256-8441
NSN 5945-01-106-0272
NSN 6130-01-168-2793
NSN 5950-00-161-4231
NSN 5960-01-450-8539
NSN 6240-00-880-8700
NSN 5990-01-164-8673
NSN 5960-00-952-7202
NSN 5835-00-695-9543
NSN 5855-00-631-4565
NSN 6645-01-119-1583
NSN 5915-00-998-1350