5330-00-633-6652 FELT,MECHANICAL,PREFORMED Index 3020-00-633-6654 GEAR,SPUR

National Stock Number:
3040-00-633-6653

Federal Supply Class:
3040

National Item Identification Number:
006336653

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:
235068056232LOCKHEED MARTIN CORPORATION


Techincal Specification:
DISTANCE FROM RADIAL CENTER TO FLAT SURFACE0.0937 INCHES NOMINAL FIRST END FOURTH PORTION0.0937 INCHES NOMINAL FIRST END FOURTH PORTION0.0937 INCHES NOMINAL FIRST END FOURTH PORTION
CIRCULAR PORTION RADIUS0.1249 INCHES NOMINAL FIRST END FOURTH PORTION0.1249 INCHES NOMINAL FIRST END FOURTH PORTION0.1249 INCHES NOMINAL FIRST END FOURTH PORTION
END SIMILARITYNOT IDENTICALNOT IDENTICALNOT IDENTICAL
OVERALL LENGTH2.703 INCHES NOMINAL2.703 INCHES NOMINAL2.703 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTINGSTEEL CORROSION RESISTINGSTEEL CORROSION RESISTING
SECTION SHAPED-SHAPE FIRST END FOURTH PORTIOND-SHAPE FIRST END FOURTH PORTIOND-SHAPE FIRST END FOURTH PORTION
SHAFT HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED38.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED38.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
SHAFT THREAD DIRECTIONRIGHT-HAND SECOND END THIRD PORTIONRIGHT-HAND SECOND END THIRD PORTIONRIGHT-HAND SECOND END THIRD PORTION
SHAFT LOCATIONBOTH ENDS OF WORMBOTH ENDS OF WORMBOTH ENDS OF WORM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSW/CENTER DRILLED HOLE IN END OF SHORTEST SHAFT LGW/CENTER DRILLED HOLE IN END OF SHORTEST SHAFT LGW/CENTER DRILLED HOLE IN END OF SHORTEST SHAFT LG
SCREW THREAD SERIES DESIGNATORUNF SECOND END THIRD PORTIONUNF SECOND END THIRD PORTIONUNF SECOND END THIRD PORTION
THREAD LENGTH0.188 INCHES NOMINAL SECOND END THIRD PORTION0.188 INCHES NOMINAL SECOND END THIRD PORTION0.188 INCHES NOMINAL SECOND END THIRD PORTION
WORM BODY LENGTH1.2343 INCHES NOMINAL1.2343 INCHES NOMINAL1.2343 INCHES NOMINAL
WORM HELIX ANGLE9 DEG 28 MIN9 DEG 28 MIN9 DEG 28 MIN
WORM OUTSIDE DIAMETER0.562 INCHES NOMINAL0.562 INCHES NOMINAL0.562 INCHES NOMINAL
WORM PITCH DIAMETER0.500 INCHES NOMINAL0.500 INCHES NOMINAL0.500 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG14.50014.50014.500
WORM THREAD DIRECTIONRIGHT-HANDRIGHT-HANDRIGHT-HAND
WORM THREAD LEAD0.2618 INCHES NOMINAL0.2618 INCHES NOMINAL0.2618 INCHES NOMINAL
WORM THREAD QUANTITY222
WORM THREAD SECTION LENGTH0.812 INCHES NOMINAL0.812 INCHES NOMINAL0.812 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH0.062 INCHES NOMINAL SECOND END SECOND PORTION0.062 INCHES NOMINAL SECOND END SECOND PORTION0.062 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.097 INCHES NOMINAL FIRST END THIRD PORTION0.097 INCHES NOMINAL FIRST END THIRD PORTION0.097 INCHES NOMINAL FIRST END THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.203 INCHES NOMINAL FIRST END FIRST PORTION0.203 INCHES NOMINAL FIRST END FIRST PORTION0.203 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.208 INCHES NOMINAL FIRST END SECOND PORTION0.208 INCHES NOMINAL FIRST END SECOND PORTION0.208 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.542 INCHES NOMINAL SECOND END FIRST PORTION0.542 INCHES NOMINAL SECOND END FIRST PORTION0.542 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.190 INCHES NOMINAL SECOND END SECOND PORTION0.190 INCHES NOMINAL SECOND END SECOND PORTION0.190 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.2398 INCHES NOMINAL FIRST END SECOND PORTION0.2398 INCHES NOMINAL FIRST END SECOND PORTION0.2398 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.2498 INCHES NOMINAL SECOND END FIRST PORTION0.2498 INCHES NOMINAL SECOND END FIRST PORTION0.2498 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.2948 INCHES NOMINAL FIRST END THIRD PORTION0.2948 INCHES NOMINAL FIRST END THIRD PORTION0.2948 INCHES NOMINAL FIRST END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.2948 INCHES NOMINAL FIRST END FIRST PORTION0.2948 INCHES NOMINAL FIRST END FIRST PORTION0.2948 INCHES NOMINAL FIRST END FIRST PORTION
SURFACE TREATMENTPASSIVATEPASSIVATEPASSIVATE
TEETH HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM38.0 ROCKWELL C MAXIMUM38.0 ROCKWELL C MAXIMUM


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