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 6110-00-175-3661
NSN 6145-01-227-5743
NSN 5996-00-475-3534
NSN 2925-01-133-8128
NSN 6105-01-286-7527
NSN 5965-01-090-3573
NSN 4140-00-962-6799
NSN 5920-01-131-2758
NSN 6130-00-239-6906
NSN 2925-00-757-7028
NSN 6220-01-534-6695
NSN 6320-01-607-1491