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 5925-01-346-1795
NSN 5990-01-056-0893
NSN 5960-00-153-7115
NSN 6130-00-719-7219
NSN 6135-01-440-9412
NSN 6645-00-467-6094
NSN 5855-01-224-7975
NSN 5915-01-384-3283
NSN 6610-00-690-3600
NSN 5930-00-474-7389
NSN 6685-00-435-3199
NSN 6320-00-831-2227