2805-00-517-9759 RING SET,PISTON Index 5905-00-517-9764 RESISTOR,VARIABLE,NONWIRE WOUND,

National Stock Number:
3040-00-517-9762

Federal Supply Class:
3040

National Item Identification Number:
005179762

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:
517976219200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAMOUNT,TELESCOPE,ANTIAIRCRAFT FIRE CONTROL EQUIPMENT
OVERALL LENGTH2.125 INCHES NOMINAL
MATERIALSTEEL
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
STRAIGHT UNTHREADED LENGTH0.656 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.360 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.3753 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.375 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.687 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.875 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.063 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.188 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.219 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.250 INCHES NOMINAL SECOND END, FIRST PORTION
WORM BODY LENGTH0.750 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE5 DEG 50 MIN
WORM OUTSIDE DIAMETER0.625 INCHES NOMINAL
WORM PITCH DIAMETER0.5188 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG29.000
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.1666 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH0.750 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE
TEETH HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM


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