Pressed in counterbored hole and oil level stenciled on glass front
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 6610-00-225-9886
NSN 5895-00-919-5948
NSN 6130-01-487-3758
NSN 6105-00-153-7967
NSN 6650-01-011-0219
NSN 7035-01-169-6551
NSN 6650-00-536-5564
NSN 4140-01-425-3571
NSN 4140-01-360-3766
NSN 6110-00-248-7475
NSN 6105-00-651-4868
NSN 6220-00-276-8681