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 2925-01-522-5631
NSN 5950-00-059-7644
NSN 5965-01-506-5557
NSN 5930-01-467-1977
NSN 6135-01-031-8078
NSN 6620-00-232-2048
NSN 6610-01-165-3750
NSN 5930-01-571-7906
NSN 6685-00-167-0940
NSN 6110-01-512-9520
NSN 6130-00-947-3710
NSN 6105-01-128-0835