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 5925-01-508-4145
NSN 6685-00-233-6563
NSN 6685-01-106-3210
NSN 2925-00-167-6762
NSN 5925-01-225-0614
NSN 5905-01-658-3704
NSN 5965-01-193-5221
NSN 5999-01-004-4043
NSN 5910-00-736-8240
NSN 6105-00-660-8882
NSN 5930-01-095-6478
NSN 5925-00-703-3627