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 6685-00-925-4693
NSN 5930-00-270-8439
NSN 5895-00-091-1288
NSN 5905-01-432-0481
NSN 5835-00-475-9271
NSN 5996-00-845-8990
NSN 6110-00-833-7778
NSN 6240-00-985-3316
NSN 5910-00-231-3370
NSN 5895-01-251-7382
NSN 6620-00-565-9793
NSN 4140-01-249-1013