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 5895-01-014-6511
NSN 5990-01-153-0679
NSN 5990-01-408-6554
NSN 5945-00-923-4291
NSN 5965-00-486-7907
NSN 6320-01-185-3857
NSN 5910-01-512-3427
NSN 6320-00-433-2773
NSN 6105-01-484-7319
NSN 6320-01-442-8604
NSN 6240-01-296-6020
NSN 6110-01-051-0348