NSN 9340-00-540-5120

Part Details | OBSERVATION WINDOW

9340-00-540-5120 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: 136336PC51, 9340-00-540-5120, 00-540-5120, 9340005405120, 005405120

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93JAN 01, 196300-540-512016880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

CIRCULAR

Cross Reference | NSN 9340-00-540-5120
Part Number Cage Code Manufacturer
136336PC5110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 9340-00-540-5120
Characteristic Specifications
STYLE DESIGNATOR CIRCULAR
OVERALL DIAMETER4.438 INCHES MINIMUM AND 4.516 INCHES MAXIMUM
OVERALL THICKNESS0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
MATERIAL GLASS
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
EDGE TYPE BEVELED
PLY QUANTITY2
ENVIRONMENTAL PROTECTION SHATTER PROOF
FSC APPLICATION DATAGUN FIRE CONTROL DIRECTOR