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 5895-00-985-4151
NSN 5965-01-513-1296
NSN 5920-01-333-2376
NSN 5855-01-468-7903
NSN 5915-01-458-1169
NSN 6130-00-887-4652
NSN 5950-01-154-3061
NSN 2925-00-816-8765
NSN 6685-00-058-2251
NSN 5915-01-032-4892
NSN 5950-01-392-9345
NSN 5855-01-278-8922