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 5925-01-104-4893
NSN 2925-01-157-9204
NSN 6220-01-257-9122
NSN 6105-01-658-4191
NSN 4140-01-095-2062
NSN 6105-00-111-3353
NSN 6685-01-440-3316
NSN 6130-01-025-2574
NSN 5915-01-544-4403
NSN 6650-01-423-1348
NSN 6150-01-649-2915
NSN 5835-01-485-0210