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 6110-00-399-1413
NSN 5998-01-525-8236
NSN 5990-00-309-0023
NSN 5998-01-197-8928
NSN 5950-01-394-5342
NSN 5925-00-464-4675
NSN 2925-00-241-5244
NSN 5920-01-657-0656
NSN 6145-01-318-4652
NSN 6685-01-114-7364
NSN 5925-01-162-8371
NSN 6320-01-497-3116