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 5930-01-444-1407
NSN 5965-01-519-8758
NSN 6145-01-417-2988
NSN 5920-01-476-7729
NSN 6130-01-391-6831
NSN 5855-01-421-1440
NSN 6685-00-991-3640
NSN 5835-01-504-0837
NSN 5965-01-291-0384
NSN 6320-01-292-6635
NSN 4140-00-128-0187
NSN 5905-01-458-6218