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 5985-01-054-3994
NSN 5950-01-555-8152
NSN 7035-01-192-2659
NSN 6135-00-874-6566
NSN 5960-00-057-4778
NSN 6220-00-896-6239
NSN 6135-01-029-9315
NSN 6240-00-419-3196
NSN 6105-00-250-1780
NSN 5945-00-005-9719
NSN 6240-01-574-5642
NSN 6145-01-528-2707