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 5915-01-104-7688
NSN 6685-00-959-7557
NSN 6130-01-081-3412
NSN 6610-01-492-6515
NSN 5935-01-230-3187
NSN 5960-01-423-4240
NSN 5945-01-508-9384
NSN 6610-01-389-0620
NSN 5985-01-212-2950
NSN 6150-01-481-7467
NSN 6110-01-493-8283
NSN 5965-01-111-0468