3655-00-408-4699 MANIFOLD Index 5998-00-408-4706 ELECTRONIC COMPONENTS ASSEMBLY

National Stock Number:
3040-00-408-4703

Federal Supply Class:
3040

National Item Identification Number:
004084703

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:
1068187918876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH4.020 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
SCREW THREAD SERIES DESIGNATORUNF SECOND END FIFTH PORTION
SECTION SHAPEFLATTED ROUND FIRST END THIRD PORTION
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT THREAD DIRECTIONRIGHT-HAND SECOND END FIFTH PORTION
WORM BODY LENGTH0.750 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM OUTSIDE DIAMETER0.582 INCHES NOMINAL
WORM PITCH DIAMETER0.500 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG25.000
WORM THREAD DIRECTIONLEFT-HAND
WORM THREAD QUANTITY4
WORM THREAD SECTION LENGTH0.670 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH0.032 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.032 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.040 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED LENGTH0.334 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.499 INCHES NOMINAL SECOND END THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.975 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.188 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.240 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.240 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.249 INCHES NOMINAL SECOND END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.335 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.335 INCHES NOMINAL SECOND END FIRST PORTION
SURFACE TREATMENTPASSIVATE
THREAD LENGTH0.360 INCHES NOMINAL SECOND END FIFTH PORTION


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