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 5905-01-438-4722
NSN 6320-00-456-2092
NSN 5905-00-526-0753
NSN 6130-01-187-2562
NSN 5999-01-473-9987
NSN 6145-01-645-4167
NSN 5960-00-003-7982
NSN 5965-00-035-4556
NSN 5996-00-155-1371
NSN 6685-00-728-4744
NSN 5945-01-500-1904
NSN 5965-00-715-4031