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 6650-01-485-2351
NSN 5965-01-607-5293
NSN 5960-00-263-9913
NSN 6220-00-525-9050
NSN 6220-01-397-8060
NSN 5895-01-226-0329
NSN 6610-01-322-7677
NSN 5915-00-949-6460
NSN 5945-01-519-8004
NSN 6685-01-154-4139
NSN 5996-01-255-3281
NSN 6145-00-623-7224