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 6650-01-546-7632
NSN 5960-01-407-1350
NSN 6105-00-079-2409
NSN 5996-01-309-2260
NSN 6645-00-117-9839
NSN 2925-01-399-2765
NSN 6105-01-250-3591
NSN 5975-01-462-8756
NSN 5945-01-391-9016
NSN 6610-00-042-8461
NSN 6320-00-905-0543
NSN 5925-01-080-2484