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 6685-01-037-2705
NSN 5915-01-465-2107
NSN 5975-00-914-1075
NSN 5998-01-192-7035
NSN 5905-01-090-4179
NSN 5935-01-284-4141
NSN 5965-01-205-6249
NSN 5950-01-561-9505
NSN 7035-00-968-4848
NSN 5996-01-007-9421
NSN 7035-01-476-3412
NSN 5996-01-108-1954