7690-21-913-9620 MARKER,IDENTIFICATION Index 9340-21-913-9704 GLASS,SAFETY,SINGLE PLATE

National Stock Number:
9340-21-913-9703

Federal Supply Class:
9340

National Item Identification Number:
219139703

Description:
GLASS,SAFETY,SINGLE PLATE

Detail:
A TRANSPARENT ITEM CONSISTING OF PRESTRESSED PIECES OF GLASS, WITH STRAIGHT PARALLEL SURFACES. PRESTRESS RESULTS FROM HEATING UP TO FUSING TEMPERATURE FOLLOWED BY UNIFORM QUENCHING ON BOTH SIDES. QUICK SHRINKING PRODUCES A HIGH SURFACE TENSION WHICH ONLY CAN BE BROKEN DOWN BY A HEAVY MECHANICAL LOAD. THE SHATTERED GLASS CRUMBLES INTO SPHERICAL NON-SPLINTERING PIECES. IT MAY BE HEAT RESISTANT OR TINTED AND IS GENERALLY USED WHERE SAFETY CHARACTERISTICS SUCH AS IN MOTOR-VEHICLE WINDOWS ARE REQUIRED. EXCLUDES GLASS, LAMINATED.


Manufacturer Information:
1C082850RS15WELDCO BEALES MANUFACTURING LIMITED


Techincal Specification:
FEATURES PROVIDEDTEMPERED
FIRST CORNER RADIUS3.0000 INCHES NOMINAL
FOURTH CORNER RADIUS3.0000 INCHES NOMINAL
MATERIALGLASS SAFETY
III STYLE DESIGNATORROUNDED CORNERS
OVERALL LENGTH24.5900 INCHES MINIMUM AND 24.6500 INCHES MAXIMUM
OVERALL THICKNESS0.2500 INCHES NOMINAL
OVERALL WIDTH23.8700 INCHES MINIMUM AND 23.9600 INCHES MAXIMUM
SECOND CORNER RADIUS3.0000 INCHES NOMINAL
SPECIAL FEATURESSECOND WIDTH 22.8800
THIRD CORNER RADIUS3.0000 INCHES NOMINAL


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