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National Stock Number:
3820-00-118-1273
Federal Supply Class:
3820
National Item Identification Number:
001181273
Description:
SHANK,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 FOR ATTACHMENT BY A COUPLING TO A THREADED DRILL ROD SECTION. THE SHANK HAS A PASSAGEWAY THROUGHOUT ITS ENTIRE LENGTH FOR CONDUCTING AIR OR WATER TO CLEAR THE HOLE BEING DRILLED, AND A PACKING SEAL IN THE UPPER END OF THE SHANK, OVERALL LENGTH MUST BE LESS THAN 15 INCHES (381 MM).
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Manufacturer Information:
| MILD22233 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MILD22233BTYPE3 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | SB1551 | 30760 | INGERSOLL RAND CO | | SB15S1 | 30760 | INGERSOLL RAND CO |
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Techincal Specification:
| ATTACHMENT METHOD | THREADED BOTTOM DRIVE | | DIAMETER | 1.492 INCHES MINIMUM AND 1.510 INCHES MAXIMUM | | MANUFACTURER THREAD DESIGN DESIGNATION | MIL STD 90496 | | OVERALL LENGTH | 13.000 INCHES NOMINAL | | MATERIAL | STEEL | | NONDEFINITIVE SPEC/STD DATA | 3 TYPE | | SHANK OVERALL LENGTH | 3.812 INCHES NOMINAL | | SHANK STYLE | ROUND TANGENT LUGGED |
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