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 6110-01-170-3346
NSN 6685-00-760-9630
NSN 5910-01-582-7355
NSN 2925-00-113-6146
NSN 7035-01-633-9537
NSN 5998-01-359-3404
NSN 5985-00-122-3889
NSN 6650-01-254-3048
NSN 5835-01-024-9249
NSN 5905-00-471-2001
NSN 5925-01-067-9789
NSN 5999-01-443-9141