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 5915-01-474-4210
NSN 6650-00-256-9059
NSN 5905-01-233-7873
NSN 5895-00-251-8903
NSN 5950-00-098-8547
NSN 5835-00-518-4507
NSN 5999-00-932-1316
NSN 5920-01-023-0040
NSN 6685-00-765-1925
NSN 4140-01-546-5569
NSN 6135-01-222-0703
NSN 6130-00-961-7199