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 5990-00-105-7831
NSN 5905-01-435-5816
NSN 5905-01-046-9626
NSN 5855-00-427-7848
NSN 2925-01-541-7217
NSN 5945-00-415-4010
NSN 5950-01-349-0254
NSN 5996-01-103-6567
NSN 6130-00-632-0429
NSN 4140-01-359-2895
NSN 5960-01-503-0362
NSN 6130-01-414-0651