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 5905-00-842-2232
NSN 6620-00-155-2608
NSN 5915-01-252-8683
NSN 5950-00-904-4257
NSN 6610-01-633-8931
NSN 6150-00-269-3898
NSN 5915-00-904-4939
NSN 5996-01-069-2915
NSN 5975-01-627-9790
NSN 5996-01-607-5845
NSN 5975-00-158-8694
NSN 5910-01-247-3385