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 6685-00-883-4608
NSN 5965-00-194-9428
NSN 6610-00-377-7956
NSN 5975-00-922-0955
NSN 5975-00-109-2145
NSN 5855-01-007-9541
NSN 6150-01-233-7259
NSN 5950-01-165-3001
NSN 6145-01-506-3668
NSN 6220-00-529-8415
NSN 6650-01-100-3185
NSN 5930-01-388-8314