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 2925-00-951-0150
NSN 5930-01-264-9813
NSN 6620-01-391-4189
NSN 5975-01-244-6418
NSN 5998-01-427-3776
NSN 6220-01-490-0380
NSN 5905-01-275-2209
NSN 5835-01-264-8782
NSN 4140-01-303-9488
NSN 5990-01-120-1910
NSN 6610-00-053-9565
NSN 5998-01-473-8386