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 6320-01-631-7828
NSN 5895-01-431-9236
NSN 5910-00-106-8472
NSN 6220-00-876-2931
NSN 5975-00-803-2536
NSN 4140-01-169-4671
NSN 6645-01-115-3829
NSN 5895-01-461-5140
NSN 5905-00-290-8098
NSN 5985-01-365-5038
NSN 6220-01-337-1474
NSN 6685-00-107-2846