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 5935-00-816-2495
NSN 6620-00-226-2285
NSN 2925-01-448-2880
NSN 5985-01-285-0589
NSN 6650-01-406-4959
NSN 5935-01-415-0887
NSN 5990-01-083-7581
NSN 6645-00-908-0140
NSN 2925-00-992-7904
NSN 6145-01-529-9831
NSN 6135-01-408-0313
NSN 6620-01-535-0409