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 6645-00-155-2398
NSN 5999-01-065-8543
NSN 6105-01-393-1750
NSN 5945-01-628-4328
NSN 5920-01-303-5951
NSN 7035-01-140-5942
NSN 5920-01-285-8497
NSN 5925-01-064-9884
NSN 5855-00-631-4565
NSN 6685-00-118-3625
NSN 5998-01-316-6657
NSN 5990-01-349-8132