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 5950-01-367-4516
NSN 6645-01-396-5354
NSN 5985-00-866-2852
NSN 5965-01-317-2093
NSN 2925-00-960-4737
NSN 6220-00-081-6429
NSN 7035-00-946-2642
NSN 7035-00-371-7749
NSN 5915-01-596-4537
NSN 6685-01-131-0066
NSN 6105-01-535-7921
NSN 6685-01-090-8148