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 5990-00-244-5715
NSN 5950-00-844-2880
NSN 5915-00-116-8927
NSN 5975-01-146-3415
NSN 6145-01-634-0388
NSN 5915-01-168-3887
NSN 5990-01-034-8211
NSN 5945-01-111-1319
NSN 6645-01-622-1830
NSN 5965-01-205-3088
NSN 6220-01-273-3896
NSN 5935-00-470-7367