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 6685-01-333-8621
NSN 5905-01-467-2214
NSN 5998-01-601-9497
NSN 6130-00-790-0071
NSN 6240-01-633-9357
NSN 5855-01-634-0259
NSN 5895-01-525-7076
NSN 5835-01-281-1655
NSN 5835-01-378-6804
NSN 5855-00-951-6483
NSN 6645-01-385-7033
NSN 5950-00-172-3379