NSN 9340-00-504-9890

Part Details | OBSERVATION WINDOW

9340-00-504-9890 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.

Alternate Parts: 5049890, 9340-00-504-9890, 00-504-9890, 9340005049890, 005049890

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93JAN 01, 196300-504-989016880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

CIRCULAR

Cross Reference | NSN 9340-00-504-9890
Part Number Cage Code Manufacturer
504989019200US ARMY ARDEC RDECOM
Technical Data | NSN 9340-00-504-9890
Characteristic Specifications
STYLE DESIGNATOR CIRCULAR
OVERALL DIAMETER0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
OVERALL THICKNESS0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
MATERIAL GLASS
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
PLY QUANTITY1
COLOR RED