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 6240-00-543-9321
NSN 6610-01-178-5435
NSN 6145-01-414-9681
NSN 6240-01-607-0870
NSN 5990-01-254-2936
NSN 6145-01-463-9205
NSN 6145-00-971-8284
NSN 6650-01-335-6669
NSN 5925-01-384-4915
NSN 6130-01-349-6375
NSN 5965-00-904-9103
NSN 5905-01-534-3754