4 5/16 in. Diameter drilled holes on 3 1/4 in. Bolt circle; appl to a demineralizer
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 6620-01-024-1228
NSN 5945-00-152-9562
NSN 5915-01-578-6153
NSN 6110-01-236-6122
NSN 6220-01-234-9151
NSN 5950-01-650-4476
NSN 7035-00-946-2642
NSN 5935-01-483-8186
NSN 5945-01-202-6177
NSN 6650-00-782-4624
NSN 5990-01-463-2279
NSN 6105-01-333-5456