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 5960-00-271-1396
NSN 5930-00-705-9406
NSN 5975-00-862-4506
NSN 5960-01-167-8796
NSN 5990-01-478-8638
NSN 5905-00-179-6691
NSN 5998-00-996-2351
NSN 6220-01-085-8199
NSN 6650-01-322-4415
NSN 6620-01-097-7078
NSN 5935-00-555-1897
NSN 7035-01-182-1086