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 5985-01-067-8838
NSN 5855-00-918-1622
NSN 5945-01-381-1356
NSN 7035-01-621-0097
NSN 5925-01-560-1047
NSN 4140-01-384-2351
NSN 5910-00-954-2316
NSN 5999-00-450-1817
NSN 5975-00-204-9190
NSN 5920-01-547-0716
NSN 6610-01-513-0622
NSN 6135-01-297-5565