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 6220-00-859-7106
NSN 5920-01-534-3607
NSN 5855-00-320-4116
NSN 6685-01-432-5193
NSN 2925-00-707-6770
NSN 5975-00-269-8391
NSN 6135-00-255-1340
NSN 5935-00-525-6233
NSN 6110-01-400-4207
NSN 5985-01-256-1022
NSN 5945-01-443-4022
NSN 6130-01-542-6713