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 5985-01-070-2602
NSN 6105-00-106-6447
NSN 6645-00-279-1777
NSN 6610-01-147-9072
NSN 6620-01-576-4308
NSN 5945-01-253-6221
NSN 5945-00-648-6237
NSN 6320-01-377-5701
NSN 5855-00-937-6419
NSN 6110-01-528-0368
NSN 5990-01-460-6390
NSN 5996-00-433-8371