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 6150-01-571-7980
NSN 4140-01-284-9920
NSN 6135-01-372-6985
NSN 6645-01-130-8325
NSN 5925-00-788-0368
NSN 6620-00-081-7899
NSN 5930-01-129-0105
NSN 6240-01-417-2976
NSN 5965-01-023-9359
NSN 6610-01-514-0408
NSN 6220-01-391-0499
NSN 6685-00-739-5926