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 6320-01-129-9656
NSN 5985-01-397-6027
NSN 5905-01-100-2541
NSN 5998-00-727-7428
NSN 5999-01-546-6293
NSN 6110-01-624-0602
NSN 5990-01-195-0593
NSN 5895-01-215-1678
NSN 2925-01-408-6205
NSN 5975-01-196-7580
NSN 5895-01-040-8524
NSN 5998-01-041-7854