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 5930-01-136-7863
NSN 5950-01-127-0118
NSN 4140-01-430-7170
NSN 5985-01-056-5050
NSN 5975-01-003-9803
NSN 5920-01-323-2209
NSN 6645-00-181-1877
NSN 5930-01-515-9032
NSN 5950-00-934-3543
NSN 6150-01-082-7351
NSN 6610-01-648-6527
NSN 6610-01-432-5144