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 5990-01-492-6575
NSN 5925-01-472-4642
NSN 5999-01-032-9148
NSN 5925-01-528-1139
NSN 5835-01-321-2906
NSN 5990-01-372-6047
NSN 6150-00-912-9503
NSN 6620-01-480-3407
NSN 5895-01-263-7800
NSN 5910-01-236-2560
NSN 6620-01-207-0667
NSN 5950-00-065-7998