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 6110-00-831-3727
NSN 6130-00-335-9712
NSN 7035-01-062-0184
NSN 6135-01-602-3042
NSN 5960-01-048-3429
NSN 5910-01-156-7484
NSN 5990-00-165-9195
NSN 5990-00-124-2556
NSN 6150-00-085-0094
NSN 6105-00-035-8809
NSN 5975-01-361-8953
NSN 5910-01-463-3686