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 6685-00-890-3929
NSN 5945-00-168-1304
NSN 5999-01-228-4636
NSN 5998-00-513-5680
NSN 6150-01-213-9353
NSN 6320-01-618-7800
NSN 5925-01-261-1677
NSN 6145-00-431-8376
NSN 6645-00-824-6407
NSN 5915-01-146-3629
NSN 7035-01-096-8912
NSN 4140-01-112-4966