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 6650-00-196-0637
NSN 5855-00-928-1912
NSN 6645-00-763-1424
NSN 5985-01-007-1964
NSN 6105-01-535-0308
NSN 6240-01-090-2280
NSN 5905-00-829-3782
NSN 5975-00-501-8058
NSN 5835-00-243-0594
NSN 5930-01-627-2804
NSN 5965-01-074-1991
NSN 5910-00-054-6647