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 6220-01-656-3925
NSN 5998-00-073-8068
NSN 6130-00-857-0904
NSN 5975-00-823-0979
NSN 5925-01-233-8598
NSN 4140-01-410-8938
NSN 5855-01-425-1330
NSN 4140-00-916-2771
NSN 5905-01-336-9806
NSN 6685-01-441-0212
NSN 5990-00-269-2226
NSN 6650-01-462-0830