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 5895-01-566-2045
NSN 6610-00-798-2900
NSN 5855-00-058-1293
NSN 5835-01-071-6376
NSN 6135-01-551-0562
NSN 4140-01-344-2674
NSN 5895-01-412-9870
NSN 6645-01-107-2615
NSN 2925-00-198-5671
NSN 5855-00-631-4565
NSN 6110-01-218-5257
NSN 6645-01-310-7348