1055-00-385-7804 ADAPTER,GASOLINE LI Index 1055-00-385-7809 SHAFT,GEAR TRAVERSE

National Stock Number:
3040-00-385-7808

Federal Supply Class:
3040

National Item Identification Number:
003857808

Description:
WORM SHAFT

Detail:
A DRIVE SHAFT HAVING HELICAL THREAD(S) ON A PORTION OF ITS OUTER SURFACE, MACHINED BEARING SURFACE(S) AND FACILITIES FOR DRIVING (OTHER THAN A HUB) ON ONE OR BOTH ENDS OF SHAFT. DESIGNED TO MATE WITH A CAM, GEAR SECTOR, WORM WHEEL, ETC. INCLUDES ITEMS WITH BEARINGS. EXCLUDES ITEMS HAVING MORE THAN ONE WORM COMPLEMENT OF HELICAL THREADS, ITEMS WITH A SEPARATE COMPLEMENT OF GEAR TEETH, AND GEAR, WORM.


Manufacturer Information:
718960419204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATALAUNCHER,762-MM ROCKET,TRUCK MOUNTED,XM289
KEYWAY WIDTH0.188 INCHES NOMINAL FIRST END, THIRD PORTION
OVERALL LENGTH8.875 INCHES NOMINAL
MATERIALSTEEL
SCREW THREAD SERIES DESIGNATORUNF SECOND END, FOURTH PORTION
SCREW THREAD SERIES DESIGNATORUNS FIRST END, THIRD PORTION
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
SHAFT THREAD DIRECTIONRIGHT-HAND FIRST END, THIRD PORTION
SHAFT THREAD DIRECTIONRIGHT-HAND SECOND END, FOURTH PORTION
SPECIAL FEATURESNO. 63 FINISH ON OD OF SECOND STEP,ON BOTH ENDS,ON SPLINE AND WORM TEETH SURFACES
SPLINE MAJOR DIAMETER1.116 INCHES MINIMUM SECOND END, THIRD PORTION
SPLINE MAJOR DIAMETER1.117 INCHES MAXIMUM SECOND END, THIRD PORTION
SPLINE MINOR DIAMETER1.021 INCHES MINIMUM SECOND END, THIRD PORTION
SPLINE MINOR DIAMETER1.022 INCHES MAXIMUM SECOND END, THIRD PORTION
WORM BODY LENGTH3.563 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE4 DEG 33 MIN.
WORM OUTSIDE DIAMETER2.8975 INCHES NOMINAL
WORM PITCH DIAMETER2.500 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTIONLEFT-HAND
WORM THREAD LEAD0.625 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH3.188 INCHES NOMINAL
STRAIGHT SPLINE LENGTH1.245 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT SPLINE QUANTITY10 EITHER END
STRAIGHT UNTHREADED LENGTH0.557 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.625 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.719 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.719 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.1814 INCHES MAXIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.1814 INCHES MAXIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.1810 INCHES MINIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.1810 INCHES MINIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.438 INCHES NOMINAL FIRST END, FIRST PORTION
SURFACE TREATMENTPHOSPHATE
TEETH HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
THREAD LENGTH0.495 INCHES MINIMUM FIRST END, THIRD PORTION
THREAD LENGTH0.505 INCHES MAXIMUM FIRST END, THIRD PORTION
THREAD LENGTH0.948 INCHES NOMINAL SECOND END, FOURTH PORTION
THREADED SECTION PIN HOLE DIAMETER0.140 INCHES NOMINAL SECOND END, FOURTH PORTION
UNTHREADED SECTION KEYWAY DEPTH0.094 INCHES NOMINAL FIRST END, SECOND PORTION
UNTHREADED SECTION KEYWAY WIDTH0.1880 INCHES NOMINAL FIRST END, SECOND PORTION


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