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 2925-00-983-7521
NSN 5990-00-939-0461
NSN 6150-01-325-4697
NSN 5990-01-218-5160
NSN 5855-01-314-8335
NSN 5935-00-521-3368
NSN 6150-00-897-4318
NSN 6620-01-444-7053
NSN 5960-01-177-0338
NSN 5960-01-399-4327
NSN 5915-01-542-6690
NSN 5960-01-495-0859