5640-00-171-9767 BUILDING BOARD,HARD PRESSED,VEGE Index 6780-00-171-9770 SUPPORT,ARM

National Stock Number:
9340-00-171-9769

Federal Supply Class:
9340

National Item Identification Number:
001719769

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:
758751419200US ARMY ARDEC RDECOM


Techincal Specification:
EDGE TYPEBEVELED
FIRST CORNER RADIUS0.094 INCHES NOMINAL
FOURTH CORNER RADIUS0.094 INCHES NOMINAL
OVERALL LENGTH0.976 INCHES MINIMUM AND 0.986 INCHES MAXIMUM
OVERALL THICKNESS0.075 INCHES NOMINAL
OVERALL WIDTH0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-451 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL TRANSPARENCYCLEAR
MATERIALGLASS
SECOND CORNER RADIUS0.094 INCHES NOMINAL
STYLE DESIGNATORCHAMFERED CORNERS
THIRD CORNER RADIUS0.094 INCHES NOMINAL


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