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 6240-01-026-0032
NSN 5998-00-328-2416
NSN 6130-01-467-6634
NSN 5965-01-646-1122
NSN 6610-01-559-5073
NSN 6220-01-230-0872
NSN 6135-01-462-6040
NSN 5975-01-045-4588
NSN 6105-00-222-9288
NSN 5998-01-634-0604
NSN 5925-00-984-6125
NSN 5835-01-553-6772