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 2925-01-540-7389
NSN 2925-00-720-3948
NSN 5910-01-408-5970
NSN 6135-00-683-0536
NSN 7035-00-437-7950
NSN 5960-00-273-3032
NSN 6135-00-112-8637
NSN 2925-01-359-4027
NSN 5910-01-094-3655
NSN 6685-00-482-5401
NSN 6650-01-528-4894
NSN 5990-00-116-6590