3120-00-684-1460 BEARING,SLEEVE Index 3020-00-684-1462 GEAR SET,BEVEL,MATCHED

National Stock Number:
3040-00-684-1461

Federal Supply Class:
3040

National Item Identification Number:
006841461

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:
905J913-479500WESTINGHOUSE ELECTRIC CORP
905J913-488657WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV
905J913-490099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATASTEAM TURBINE
OVERALL LENGTH13.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 8620 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 8620
SCREW THREAD SERIES DESIGNATORUNEF-2A FIRST END, THIRD PORTION
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT HARDNESS RATINGC SCALE 24 MIN
SHAFT THREAD DIRECTIONRIGHT-HAND FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH1.000 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH1.4375 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH1.562 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH1.4735 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH4.125 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.9995 INCHES MINIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.000 INCHES MAXIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.1810 INCHES MINIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.1810 INCHES MINIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.1814 INCHES MAXIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.1814 INCHES MAXIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.4375 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.4375 INCHES NOMINAL SECOND END, FIRST PORTION
WORM BODY LENGTH3.000 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE7 DEG 35 MIN
WORM OUTSIDE DIAMETER2.271 INCHES NOMINAL
WORM PITCH DIAMETER1.794 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.750 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH3.000 INCHES NOMINAL
TEETH HARDNESS RATING56.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM
THREAD LENGTH0.750 INCHES NOMINAL FIRST END, THIRD PORTION
UNTHREADED SECTION KEYWAY DEPTH0.134 INCHES NOMINAL SECOND END, THIRD PORTION
UNTHREADED SECTION KEYWAY WIDTH0.2460 INCHES NOMINAL SECOND END, THIRD PORTION


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