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 5935-01-373-5663
NSN 5935-00-498-3447
NSN 5910-00-284-8295
NSN 5910-00-022-5612
NSN 6685-01-560-6474
NSN 5950-01-438-1733
NSN 5990-00-419-0236
NSN 2925-01-139-5144
NSN 2925-01-446-6976
NSN 6145-01-138-2137
NSN 5990-01-208-4322
NSN 5950-00-197-0382