4820-01-375-8025 VALVE,BALL Index 4820-01-375-8027 VALVE,RELIEF,PRESSURE AND TEMPER

National Stock Number:
3820-01-375-8026

Federal Supply Class:
3820

National Item Identification Number:
013758026

Description:
DRILL ROD,ROCK DRILL

Detail:
A STRAIGHT METAL ROD WITH A SHANK AT ONE END TO FIT THE DRILLING MACHINE CHUCK, AND THE OPPOSITE END EXTERNALLY THREADED OR TAPERED TO RECEIVE A DETACHABLE BIT. THE ROD HAS A PASSAGEWAY THROUGHOUT ITS ENTIRE LENGTH FOR CONDUCTING AIR OR WATER TO CLEAR THE HOLE BEING DRILLED. OVERALL LENGTH MUST BE AT LEAST 15 INCHES (381 MM). EXCLUDES DRILL RODS DESIGNED FOR CORE DRILLING. SEE ALSO DRILL ROD SECTION, ROCK DRILL; AND SHANK, ROD, ROCK DRILL.


Manufacturer Information:
DW0472-010J7B8STAR IRON WORKS INC
DW472-000J7B8STAR IRON WORKS INC


Techincal Specification:
DIAMETER4.500 INCHES NOMINAL
OVERALL LENGTH240.000 INCHES NOMINAL
MATERIALALUMINUM
SHANK STYLETAPER


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