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 5960-01-599-9821
NSN 5975-01-581-5456
NSN 5950-01-364-8368
NSN 5990-01-453-3552
NSN 5935-00-959-4929
NSN 5910-01-344-0121
NSN 5990-01-147-5225
NSN 5835-01-602-0311
NSN 5925-00-449-3777
NSN 6130-01-234-4549
NSN 5915-01-519-2878
NSN 6685-00-422-6679