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 5975-00-364-6919
NSN 6130-00-709-0765
NSN 5910-01-564-7380
NSN 6650-00-012-2430
NSN 6110-01-055-6442
NSN 6150-00-271-0520
NSN 5835-00-058-0384
NSN 4140-00-455-9645
NSN 5925-01-534-9760
NSN 5835-00-583-1316
NSN 5998-00-724-7297
NSN 5950-01-333-4926