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 5950-01-527-9505
NSN 6685-01-143-5426
NSN 6685-01-535-7268
NSN 7035-01-071-0197
NSN 5925-00-105-8462
NSN 6110-00-271-9928
NSN 6105-01-124-3312
NSN 5950-01-476-9596
NSN 6650-00-443-4292
NSN 5998-01-594-3533
NSN 5925-01-033-7888
NSN 7035-01-110-2567