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 6645-00-629-9367
NSN 5950-01-154-9591
NSN 4140-01-210-0107
NSN 6110-00-115-4258
NSN 6650-00-527-7451
NSN 5835-01-502-9228
NSN 6135-01-127-0173
NSN 6150-00-187-3535
NSN 5950-00-422-8579
NSN 5945-01-306-7850
NSN 5925-00-627-0974
NSN 6320-01-185-3857