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 5985-01-134-2899
NSN 5925-00-005-3694
NSN 6220-00-149-0977
NSN 6220-00-147-0035
NSN 6130-00-205-1714
NSN 6150-01-528-7353
NSN 5965-00-391-0562
NSN 5990-01-627-8097
NSN 5985-00-708-2193
NSN 6620-01-045-4467
NSN 6135-00-078-9931
NSN 6150-00-291-6847