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 6645-01-556-1441
NSN 5895-01-515-1276
NSN 6610-00-938-2320
NSN 5975-01-097-4705
NSN 5895-01-268-1467
NSN 5990-01-200-7460
NSN 5920-00-529-0618
NSN 6240-01-138-0112
NSN 5895-01-238-0561
NSN 6645-00-522-4173
NSN 7035-01-207-2333
NSN 5910-01-571-6114