Part Number
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 53800 | SEARS ROEBUCK AND CO. DBA SEARS DIV |
Federal Supply Class
Title
GLASS FABRICATED MATERIALS
Inclusions:
INCLUDES GLASS RODS, BARS, AND TUBING; OPTICAL GLASS BLANKS; STRUCTURAL AND BUILDING GLASS; GLASS BLOCKS.
Exclusions:
EXCLUDES INSULATORS (FSC 5970); OPHTHALMIC GLASS BLANKS (FSC 6540); AND CABLE, FIBER OPTICS (FSCS 6015 AND 6615).