1240-00-546-9716 ROD Index 1290-00-546-9722 WORM

National Stock Number:
3040-00-546-9721

Federal Supply Class:
3040

National Item Identification Number:
005469721

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:
821166819200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH3.687 INCHES NOMINAL
MATERIALCOPPER ALLOY 511
SHAFT LOCATIONBOTH ENDS OF WORM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE3 DEGREES 24 MINUTES
WORM OUTSIDE DIAMETER0.374 INCHES NOMINAL
WORM PITCH DIAMETER0.332 INCHES MINIMUM AND 0.334 INCHES MAXIMUM
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.063 INCHES NOMINAL
WORM THREAD QUANTITY7
WORM THREAD SECTION LENGTH0.437 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH0.046 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH0.218 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.250 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.298 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.328 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.735 INCHES NOMINAL SECOND END, FIFTH PORTION
STRAIGHT UNTHREADED LENGTH1.375 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.234 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.249 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.249 INCHES NOMINAL SECOND END, FIFTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.260 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.260 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.260 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.438 INCHES NOMINAL SECOND END, THIRD PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.0780 INCHES NOMINAL FIRST END, SECOND PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.0780 INCHES NOMINAL SECOND END, FIFTH PORTION


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