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 5925-00-928-2621
NSN 5975-01-355-7143
NSN 5910-01-604-8999
NSN 5950-00-416-8282
NSN 5835-01-116-2369
NSN 5950-01-408-5178
NSN 6110-01-417-1811
NSN 6240-00-820-1705
NSN 6645-01-157-4199
NSN 5930-01-027-5084
NSN 5835-01-107-8600
NSN 5915-01-631-6611