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 6220-01-338-2062
NSN 2925-01-027-1293
NSN 5835-00-610-0716
NSN 6105-00-242-6020
NSN 6110-01-227-2617
NSN 6320-01-386-3491
NSN 5895-01-660-9903
NSN 5965-00-964-1756
NSN 5915-01-283-2800
NSN 6685-01-454-6520
NSN 6320-01-524-9488
NSN 6685-01-368-1534