4935-00-894-4410 CARD,PROGRAMMER TEST SET Index 3120-00-894-4434 BEARING,WASHER,THRUST

National Stock Number:
3040-00-894-4431

Federal Supply Class:
3040

National Item Identification Number:
008944431

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:
858741319200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH5.688 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
SCREW THREAD SERIES DESIGNATORUNF SECOND END THIRD PORTION
SHAFT HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT THREAD DIRECTIONRIGHT-HAND SECOND END THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.260 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.562 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.688 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.812 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED LENGTH2.087 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.2498 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.312 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.3152 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.344 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.391 INCHES NOMINAL SECOND END FIRST PORTION
TEETH HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
THREAD LENGTH0.320 INCHES NOMINAL SECOND END THIRD PORTION
WORM BODY LENGTH0.687 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE6 DEG 20 MIN
WORM OUTSIDE DIAMETER0.625 INCHES NOMINAL
WORM PITCH DIAMETER0.562 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.196 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH0.688 INCHES NOMINAL


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