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:
MATERIALSTEEL CORROSION RESISTING
TEETH HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
31.0 ROCKWELL C MAXIMUM
SHAFT HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
31.0 ROCKWELL C MAXIMUM
WORM THREAD QUANTITY1
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.196 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM HELIX ANGLE6 DEG 20 MIN
WORM OUTSIDE DIAMETER0.625 INCHES NOMINAL
WORM PITCH DIAMETER0.562 INCHES NOMINAL
WORM THREAD SECTION LENGTH0.688 INCHES NOMINAL
WORM BODY LENGTH0.687 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
SHAFT LOCATIONBOTH ENDS OF WORM
END SIMILARITYNOT IDENTICAL
STRAIGHT UNTHREADED LENGTH0.562 INCHES NOMINAL FIRST END, FIRST PORTION
0.688 INCHES NOMINAL FIRST END, SECOND PORTION
0.812 INCHES NOMINAL SECOND END, FIRST PORTION
0.260 INCHES NOMINAL SECOND END, SECOND PORTION
2.087 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.344 INCHES NOMINAL FIRST END, FIRST PORTION
0.312 INCHES NOMINAL FIRST END, SECOND PORTION
0.391 INCHES NOMINAL SECOND END, FIRST PORTION
0.3152 INCHES NOMINAL SECOND END, SECOND PORTION
0.2498 INCHES NOMINAL SECOND END, FOURTH PORTION
SCREW THREAD SERIES DESIGNATORUNF SECOND END, THIRD PORTION
SHAFT THREAD DIRECTIONRIGHT-HAND SECOND END, THIRD PORTION
THREAD LENGTH0.320 INCHES NOMINAL SECOND END, THIRD PORTION
OVERALL LENGTH5.688 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE19200
DESIGN CONTROL REFERENCE8587413


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