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 5950-01-172-8564
NSN 5930-01-171-9444
NSN 5965-01-446-6001
NSN 6220-01-406-3167
NSN 5935-01-043-7365
NSN 7035-01-582-2242
NSN 6150-01-556-9661
NSN 5945-01-135-6314
NSN 5930-00-597-5064
NSN 5996-01-014-6103
NSN 5945-00-244-1579
NSN 6150-00-309-0373