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 7035-01-042-5308
NSN 6610-00-169-1754
NSN 6150-00-915-8448
NSN 5950-00-773-9958
NSN 5950-01-056-5157
NSN 5910-00-037-3631
NSN 5990-00-068-4324
NSN 5895-00-193-0453
NSN 5960-00-900-0062
NSN 5985-00-540-9460
NSN 6240-00-215-8550
NSN 5835-01-257-0154