9340-00-273-9570 WINDOW,OBSERVATION Index 9340-00-273-9575 WINDOW,OBSERVATION

National Stock Number:
9340-00-273-9572

Federal Supply Class:
9340

National Item Identification Number:
002739572

Description:
WINDOW,OBSERVATION

Detail:
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.


Manufacturer Information:
325651PC310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
EDGE TYPEBEVELED
FIRST CORNER RADIUS0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM
FOURTH CORNER RADIUS0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM
OVERALL LENGTH4.234 INCHES MINIMUM AND 4.266 INCHES MAXIMUM
OVERALL THICKNESS0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
OVERALL WIDTH2.971 INCHES MINIMUM AND 3.003 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-3787,CLASS 1,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL TRANSPARENCYCLEAR
MATERIALGLASS LAMINATE
PLY QUANTITY2
SECOND CORNER RADIUS0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM
SPECIAL FEATURESMUST BEOF SPECIAL SELECTED QUALITY
STYLE DESIGNATORROUNDED CORNERS
SURFACE FINISHPOLISHED
THIRD CORNER RADIUS0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM


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