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 6110-01-153-7232
NSN 2925-01-513-9114
NSN 6110-00-596-9124
NSN 6105-01-013-6486
NSN 5999-01-096-4110
NSN 5895-01-216-2377
NSN 5915-00-557-4518
NSN 4140-01-338-5984
NSN 5975-00-618-0161
NSN 5985-01-067-8610
NSN 6110-00-468-6897
NSN 6685-01-563-5713