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 5998-01-275-3494
NSN 6650-01-633-9147
NSN 5925-00-419-3958
NSN 6145-01-622-2967
NSN 5975-00-503-4697
NSN 6135-00-262-6807
NSN 5835-01-010-3103
NSN 5998-01-303-4659
NSN 6650-01-571-9386
NSN 6130-00-359-2747
NSN 5950-01-138-9472
NSN 5985-01-446-4141