National Stock Number:
5120-00-671-8139
Federal Supply Class:
5120
National Item Identification Number:
006718139
Description:
PUNCH,TUBE BELLING,HAND
Detail:
A NONCUTTING PUNCHLIKE TOOL HAVING A SHAPED HEAD ON ONE END WHICH IS DESIGNED TO BELL OUT AND SOLIDLY SEAT THE ENDS OF CONDENSER TUBES, EVAPORATOR TUBES, AND THE LIKE WHEN THE TUBE IS INSTALLED IN THE TUBE SHEET. IT IS GENERALLY USED AFTER THE FLARING OPERATION.
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