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 6320-01-585-8468
NSN 6610-01-180-2184
NSN 6135-01-519-7879
NSN 5960-00-877-8016
NSN 5905-01-409-2951
NSN 5930-00-734-3974
NSN 5935-01-020-3386
NSN 6145-01-623-5619
NSN 5895-01-446-3910
NSN 6650-01-183-0711
NSN 5835-00-850-1475
NSN 6220-00-006-9746