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 6685-00-155-9215
NSN 5905-00-716-5491
NSN 5920-00-166-3508
NSN 6620-00-369-0618
NSN 5975-01-595-4951
NSN 6320-01-139-0533
NSN 5915-01-578-9453
NSN 5996-01-292-1645
NSN 5960-01-061-9166
NSN 5905-00-593-9708
NSN 6320-01-631-7828
NSN 5920-00-195-5461