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 5960-01-236-9139
NSN 6110-01-557-7700
NSN 2925-00-684-7708
NSN 2925-01-411-4666
NSN 6220-01-491-9803
NSN 5998-01-372-6890
NSN 6135-01-027-7543
NSN 6620-01-378-5579
NSN 5950-01-276-1174
NSN 6145-01-281-7222
NSN 5975-01-467-1367
NSN 5960-01-336-4239