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 5925-00-448-2543
NSN 6685-00-283-2282
NSN 5975-00-162-1028
NSN 5990-00-067-6791
NSN 5895-01-506-7550
NSN 5915-01-312-4184
NSN 5895-01-388-7592
NSN 6650-01-085-6088
NSN 5960-00-140-9583
NSN 5965-00-421-9007
NSN 5925-01-370-6972
NSN 5895-01-214-4808