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:
MATERIALCOPPER ALLOY 511
WORM THREAD QUANTITY7
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.063 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
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 SECTION LENGTH0.437 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
SHAFT LOCATIONBOTH ENDS OF WORM
END SIMILARITYNOT IDENTICAL
STRAIGHT UNTHREADED LENGTH0.250 INCHES NOMINAL FIRST END, FIRST PORTION
1.375 INCHES NOMINAL FIRST END, SECOND PORTION
0.298 INCHES NOMINAL SECOND END, FIRST PORTION
0.218 INCHES NOMINAL SECOND END, SECOND PORTION
0.328 INCHES NOMINAL SECOND END, THIRD PORTION
0.046 INCHES NOMINAL SECOND END, FOURTH PORTION
0.735 INCHES NOMINAL SECOND END, FIFTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.260 INCHES NOMINAL FIRST END, FIRST PORTION
0.249 INCHES NOMINAL FIRST END, SECOND PORTION
0.260 INCHES NOMINAL SECOND END, FIRST PORTION
0.234 INCHES NOMINAL SECOND END, SECOND PORTION
0.438 INCHES NOMINAL SECOND END, THIRD PORTION
0.260 INCHES NOMINAL SECOND END, FOURTH PORTION
0.249 INCHES NOMINAL SECOND END, FIFTH PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.0780 INCHES NOMINAL FIRST END, SECOND PORTION
0.0780 INCHES NOMINAL SECOND END, FIFTH PORTION
OVERALL LENGTH3.687 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE19200
DESIGN CONTROL REFERENCE8211668


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