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 5920-01-250-1299
NSN 6135-01-095-2556
NSN 5996-01-075-5184
NSN 6135-01-490-7704
NSN 5975-00-990-7024
NSN 5999-01-287-2608
NSN 2925-01-448-2880
NSN 5855-01-480-1396
NSN 5950-01-154-9591
NSN 5998-00-195-7087
NSN 6220-00-276-2785
NSN 6320-00-925-0558