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 5855-00-688-9954
NSN 6685-00-137-2616
NSN 5855-01-332-3011
NSN 5960-01-406-0299
NSN 6220-01-113-9952
NSN 5895-00-292-2872
NSN 5915-01-107-5851
NSN 2925-01-372-9455
NSN 5945-01-601-5559
NSN 5920-00-187-0260
NSN 6645-00-134-1531
NSN 5910-00-062-1222