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 5910-00-845-4173
NSN 5925-00-194-9146
NSN 5925-01-349-8770
NSN 5930-01-400-3485
NSN 5935-01-025-7272
NSN 5945-00-952-5644
NSN 6620-00-343-8229
NSN 5930-00-424-5919
NSN 5895-01-084-9117
NSN 5930-01-116-0890
NSN 5855-01-323-5394
NSN 5935-00-089-1450