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 6240-01-040-2794
NSN 5975-01-222-0544
NSN 6610-01-196-6388
NSN 2925-01-348-8306
NSN 6110-01-225-0616
NSN 5950-01-460-2058
NSN 6135-01-484-8637
NSN 6130-01-032-6013
NSN 5945-00-220-2331
NSN 5925-01-128-4374
NSN 5915-01-578-2263
NSN 5945-01-322-1741