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 5905-00-311-8573
NSN 4140-00-068-0267
NSN 5960-01-605-9921
NSN 5990-01-607-3528
NSN 5895-01-311-9172
NSN 7035-01-079-6560
NSN 6110-00-651-8907
NSN 5935-01-634-0562
NSN 5996-00-657-4741
NSN 5990-00-444-9993
NSN 5996-00-344-1250
NSN 7035-00-437-7950