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 5998-00-118-2524
NSN 6220-00-246-7245
NSN 5915-01-028-6880
NSN 6220-01-093-0928
NSN 6145-01-616-2668
NSN 5965-00-764-1841
NSN 6240-01-367-6561
NSN 6135-00-500-2082
NSN 6150-00-348-2533
NSN 7035-00-267-5424
NSN 6645-00-337-3638
NSN 5905-00-971-2139