1290-00-613-9105 RING ASSEMBLY Index 5998-00-613-9108 CIRCUIT CARD ASSEMBLY

National Stock Number:
3040-00-613-9107

Federal Supply Class:
3040

National Item Identification Number:
006139107

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:
613910719200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAMOUNT,TELESCOPE,ANTIAIRCRAFT FIRE CONTROL EQUIPMENT
MATERIALSTEEL
OVERALL LENGTH5.125 INCHES NOMINAL
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STEAM INLET
SHAFT HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT THREAD DIRECTIONRIGHT-HAND STEAM INLET
STRAIGHT UNTHREADED LENGTH0.047 INCHES NOMINAL THREADS
STRAIGHT UNTHREADED LENGTH0.062 INCHES NOMINAL D ENTRANCE
STRAIGHT UNTHREADED LENGTH0.312 INCHES NOMINAL TERMINAL BOX
STRAIGHT UNTHREADED LENGTH0.531 INCHES NOMINAL SECOND SHAFT
STRAIGHT UNTHREADED LENGTH0.750 INCHES NOMINAL ALL THREADED PORTIONS
STRAIGHT UNTHREADED LENGTH0.823 INCHES NOMINAL FIRST MORTISE
STRAIGHT UNTHREADED LENGTH0.924 INCHES NOMINAL CONCENTRIC HOLE
STRAIGHT UNTHREADED LENGTH0.896 INCHES NOMINAL RECEPTACLE PLATE
STRAIGHT UNTHREADED SECTION DIAMETER0.340 INCHES NOMINAL TERMINAL BOX
STRAIGHT UNTHREADED SECTION DIAMETER0.370 INCHES NOMINAL THREADS
STRAIGHT UNTHREADED SECTION DIAMETER0.375 INCHES NOMINAL ALL THREADED PORTIONS
STRAIGHT UNTHREADED SECTION DIAMETER0.375 INCHES NOMINAL CONCENTRIC HOLE
STRAIGHT UNTHREADED SECTION DIAMETER0.390 INCHES NOMINAL FIRST MORTISE
STRAIGHT UNTHREADED SECTION DIAMETER0.390 INCHES NOMINAL RECEPTACLE PLATE
STRAIGHT UNTHREADED SECTION DIAMETER0.410 INCHES NOMINAL D ENTRANCE
STRAIGHT UNTHREADED SECTION DIAMETER0.625 INCHES NOMINAL SECOND SHAFT
SURFACE TREATMENTPASSIVATE
TEETH HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
THREAD LENGTH0.312 INCHES NOMINAL STEAM INLET
UNTHREADED SECTION KEYWAY DEPTH0.060 INCHES NOMINAL CONCENTRIC HOLE
WORM BODY LENGTH0.780 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE5 DEG 52 MIN
WORM OUTSIDE DIAMETER0.625 INCHES NOMINAL
WORM PITCH DIAMETER0.521 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG29.000
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.1666 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH0.780 INCHES NOMINAL


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