5330-01-504-8341 GASKET Index 5330-01-504-8343 GASKET

National Stock Number:
3040-01-504-8342

Federal Supply Class:
3040

National Item Identification Number:
015048342

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:
596-741024953711NAVAL SEA SYSTEMS COMMAND
596-7410249-6153711NAVAL SEA SYSTEMS COMMAND
B831-9511-6196169ELECTRIC BOAT CORPORATION


Techincal Specification:
OVERALL LENGTH12.120 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
SCREW THREAD SERIES DESIGNATORUNS FIRST END, SECOND PORTION
SECTION SHAPESQUARE FIRST END, FIRST PORTION
SHAFT LOCATIONONE END OF WORM
SHAFT HARDNESS RATING38.0 ROCKWELL C MAXIMUM
SHAFT THREAD DIRECTIONRIGHT-HAND FIRST END, SECOND PORTION
SPECIAL FEATURESMATERIAL SPECIFICATION ASTM-A564,TYPE-630,CONDITION-H1150,HOT FINISHED AND ASTM-A484. SURFACE FINISH 63.0 ON ACME THREADS. WORM IS 0.750-8 ACME-2G
STRAIGHT UNTHREADED LENGTH0.750 INCHES NOMINAL FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED LENGTH0.880 INCHES NOMINAL FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH1.000 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH1.500 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.540 INCHES NOMINAL FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.988 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.060 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.173 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.2503 INCHES MINIMUM AND 1.2513 INCHES MAXIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.500 INCHES NOMINAL FIRST END, FIFTH PORTION
STRAIGHT UNTHREADED LENGTH0.120 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.630 INCHES NOMINAL FIRST END, FIFTH PORTION
WORM BODY LENGTH12.120 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDPROVIDED
WORM HELIX ANGLE3.312 DEGREES
WORM OUTSIDE DIAMETER0.750 INCHES NOMINAL
WORM PITCH DIAMETER0.665 INCHES MINIMUM AND 0.681 INCHES MAXIMUM
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.125 INCHES NOMINAL
WORM THREAD QUANTITY58
WORM THREAD SECTION LENGTH7.240 INCHES NOMINAL
TAPERED BEARING SURFACE LARGEST DIAMETER0.750 INCHES NOMINAL
TAPERED BEARING SURFACE LENGTH0.050 INCHES NOMINAL
TAPERED BEARING SURFACE SMALLEST DIAMETER0.650 INCHES NOMINAL
TEETH HARDNESS RATING38.0 ROCKWELL C MAXIMUM
THREAD LENGTH1.000 INCHES NOMINAL FIRST END, SECOND PORTION


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