NSN 9340-00-649-6938

Part Details | OBSERVATION WINDOW

9340-00-649-6938 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: 9085117, 9340-00-649-6938, 00-649-6938, 9340006496938, 006496938

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93JAN 01, 196300-649-693816880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

CIRCULAR

Cross Reference | NSN 9340-00-649-6938
Part Number Cage Code Manufacturer
908511718876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 9340-00-649-6938
Characteristic Specifications
STYLE DESIGNATOR CIRCULAR
OVERALL DIAMETER3.672 INCHES MINIMUM AND 3.688 INCHES MAXIMUM
OVERALL THICKNESS0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
MATERIAL PLASTIC
MATERIAL TRANSPARENCY CLEAR
PLY QUANTITY1
SPECIAL FEATURESHAS 4 EQUALLY SPACED MOUNTING HOLES 0.171 IN. DIA,COUNTERBORED 0.250 IN