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 6620-00-140-8644
NSN 6135-01-461-6521
NSN 6685-00-371-5492
NSN 5915-01-497-9038
NSN 6240-00-075-4103
NSN 6150-00-200-6520
NSN 4140-00-915-6125
NSN 5895-00-621-0543
NSN 6320-00-483-0451
NSN 6135-00-715-4001
NSN 5935-01-423-7944
NSN 6220-01-176-1863