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 5905-01-440-9393
NSN 6150-01-464-4008
NSN 5950-01-467-2426
NSN 5930-00-801-6562
NSN 6650-00-798-6847
NSN 6240-01-256-3127
NSN 5925-01-538-9684
NSN 5985-00-277-7371
NSN 6685-01-076-2412
NSN 6240-01-258-6298
NSN 6645-01-114-2105
NSN 5930-01-199-3317