5342-00-914-5176 COUPLING,CLAMP,GROOVED Index 5310-00-914-5178 WASHER,FINISHING

National Stock Number:
3040-00-914-5177

Federal Supply Class:
3040

National Item Identification Number:
009145177

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:
8707582-119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAWINCH,VEHICULAR MOUNTED
OVERALL LENGTH17.594 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-13048, FS4140, FS8640, FS8740, FS4140 OR FS9440 MIL SPEC ALL MATERIAL RESPONSES
MATERIALSTEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 9440
SPECIAL FEATURES1/2-20 UNF-2B THREADED HOLE 7/8 IN. DEEP IN END WITH SHORTEST LENGTH OF STEP
SHAFT HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
SHAFT LOCATIONBOTH ENDS OF WORM
UNTHREADED SECTION KEYWAY DEPTH0.379 INCHES NOMINAL SECOND END FOURTH PORTION
UNTHREADED SECTION KEYWAY DEPTH0.218 INCHES NOMINAL FIRST END FOURTH PORTION
UNTHREADED SECTION KEYWAY WIDTH0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM FIRST END FOURTH PORTION
WORM BODY LENGTH7.326 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE4 DEG 57 MIN
WORM OUTSIDE DIAMETER3.776 INCHES NOMINAL
WORM PITCH DIAMETER3.216 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG27.000
WORM THREAD LEAD0.875 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH3.750 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH0.125 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.125 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.921 INCHES NOMINAL FIRST END FOURTH PORTION
STRAIGHT UNTHREADED LENGTH0.875 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.875 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH1.031 INCHES NOMINAL SECOND END THIRD PORTION
STRAIGHT UNTHREADED LENGTH1.125 INCHES NOMINAL FIRST END THIRD PORTION
STRAIGHT UNTHREADED LENGTH1.437 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.500 INCHES NOMINAL FIRST END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.500 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.750 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.750 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.767 INCHES NOMINAL FIRST END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.767 INCHES NOMINAL SECOND END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.771 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.771 INCHES NOMINAL SECOND END SECOND PORTION
TEETH HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM


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