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 6685-00-802-4230
NSN 5935-00-209-6774
NSN 5960-01-433-7565
NSN 5945-01-631-8846
NSN 5925-01-581-7386
NSN 6145-01-406-5022
NSN 2925-01-314-5833
NSN 4140-01-056-4453
NSN 4140-01-152-4199
NSN 6130-01-465-6475
NSN 6220-00-131-2095
NSN 6150-00-779-5547