National Stock Number:
9340-14-568-5017
Federal Supply Class:
9340
National Item Identification Number:
145685017
Description:
GLASS,SAFETY,SINGLE
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.
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