1680-00-435-8875 ADAPTER,ACTUATOR,SL Index 1680-00-435-8878 ACTUATOR,MECHANICAL,AIRCRAFT

National Stock Number:
3040-00-435-8876

Federal Supply Class:
3040

National Item Identification Number:
004358876

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:
12M2235-981755LOCKHEED MARTIN CORPORATION


Techincal Specification:
END SIMILARITYNOT IDENTICAL
KEYWAY DEPTH0.751 INCHES NOMINAL SECOND END
KEYWAY WIDTH0.126 INCHES NOMINAL SECOND END
MATERIALSTEEL
OVERALL LENGTH3.470 INCHES NOMINAL
SCREW THREAD SERIES DESIGNATORUNF SECOND END
SHAFT LOCATIONBOTH ENDS OF WORM
STRAIGHT UNTHREADED LENGTH0.300 INCHES NOMINAL FIRST END
STRAIGHT UNTHREADED SECTION DIAMETER0.375 INCHES NOMINAL FIRST END
THREAD LENGTH1.995 INCHES NOMINAL SECOND END
THREADED SECTION PIN HOLE DIAMETER0.067 INCHES NOMINAL SECOND END
WORM BODY LENGTH1.175 INCHES NOMINAL
WORM OUTSIDE DIAMETER0.680 INCHES NOMINAL
WORM PITCH DIAMETER0.556 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG20.000
WORM THREAD LEAD0.197 INCHES NOMINAL
WORM THREAD QUANTITY6


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