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 6105-00-516-2151
NSN 5930-01-435-5041
NSN 5920-01-551-1295
NSN 5999-00-207-9849
NSN 5895-00-578-8424
NSN 6220-01-574-0758
NSN 6645-00-385-3684
NSN 4140-01-181-4485
NSN 6645-01-352-5675
NSN 6105-01-366-7436
NSN 2925-01-333-6346
NSN 6240-00-066-0714