NSN 9340-00-255-9389

Part Details | OBSERVATION WINDOW

9340-00-255-9389 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: 481148PC2, 9340-00-255-9389, 00-255-9389, 9340002559389, 002559389

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93JAN 01, 196300-255-938916880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

CIRCULAR

Cross Reference | NSN 9340-00-255-9389
Part Number Cage Code Manufacturer
481148PC210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 9340-00-255-9389
Characteristic Specifications
STYLE DESIGNATOR CIRCULAR
OVERALL DIAMETER4.250 INCHES NOMINAL
OVERALL THICKNESS0.250 INCHES NOMINAL
MATERIAL GLASS
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-451 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
EDGE TYPE FLAT FINISH
PLY QUANTITY2
HEAT ABSORBING CHARACTERISTIC HIGH LIGHT TRANSMISSION
ENVIRONMENTAL PROTECTION SHATTER PROOF