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 5895-00-626-5892
NSN 5960-01-333-8428
NSN 6105-00-388-3249
NSN 6645-00-050-3738
NSN 5905-01-487-4954
NSN 5910-01-029-0871
NSN 5835-01-414-3258
NSN 6135-00-246-0324
NSN 4140-01-398-2900
NSN 4140-01-564-8930
NSN 5915-00-269-4463
NSN 5930-00-483-8679