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 6650-01-194-5498
NSN 5999-00-142-5091
NSN 5905-01-394-3728
NSN 5855-01-075-0042
NSN 5835-00-251-9138
NSN 5960-01-106-0460
NSN 6150-01-428-8817
NSN 5895-01-090-0567
NSN 6130-00-175-8066
NSN 5910-01-051-8336
NSN 5965-01-310-0634
NSN 6685-01-426-1490