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 5895-01-082-8181
NSN 5935-00-602-2385
NSN 7035-01-423-8343
NSN 5975-01-622-8712
NSN 5915-01-272-9593
NSN 2925-01-521-0600
NSN 5910-01-153-2651
NSN 5950-00-109-0638
NSN 5999-01-505-5974
NSN 5960-01-045-8524
NSN 5985-01-432-8982
NSN 6620-00-363-7528