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 6685-01-426-8929
NSN 5910-00-222-7047
NSN 6650-00-224-3223
NSN 5960-00-074-3727
NSN 5915-00-862-8226
NSN 5975-01-016-3429
NSN 5945-01-359-8834
NSN 4140-01-550-8030
NSN 6620-01-167-0881
NSN 6620-01-305-0412
NSN 5835-01-082-8841
NSN 5985-00-763-8796