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 6150-01-236-1389
NSN 6150-01-072-2275
NSN 5855-01-069-4742
NSN 5985-01-525-4080
NSN 5975-01-208-1737
NSN 5835-00-479-0464
NSN 5965-01-201-1580
NSN 6645-01-600-0772
NSN 6135-01-204-3882
NSN 6110-01-481-3942
NSN 5925-01-332-2616
NSN 6645-00-433-8455