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 6620-00-248-6950
NSN 6145-01-456-1396
NSN 5910-01-122-1498
NSN 6130-00-015-4111
NSN 5998-01-519-9273
NSN 5975-00-917-7562
NSN 6610-01-323-7045
NSN 6110-01-038-8857
NSN 7035-00-455-7666
NSN 6110-01-004-9870
NSN 5920-01-177-3761
NSN 5895-00-596-8678