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 5895-00-596-8678
NSN 6145-00-160-2456
NSN 6135-01-017-3001
NSN 5935-01-189-0795
NSN 5910-00-767-1754
NSN 5998-01-576-9769
NSN 5965-01-418-5535
NSN 5965-01-247-0837
NSN 6620-01-358-5249
NSN 5930-01-125-4167
NSN 5975-00-837-3293
NSN 5915-00-304-8195