1680-00-830-4990 CAP,ACTUATOR Index 2840-00-830-4998 NOZZLE,TURBINE,AIRCRAFT GAS TURB

National Stock Number:
3040-00-830-4991

Federal Supply Class:
3040

National Item Identification Number:
008304991

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:
104830-0131435LUCAS AEROSPACE POWER EQUIPMENT CORPORATION
104830-013CPE0SAFRAN POWER USA LLC


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAACTUATOR,ELECTRO-MECHANICAL,AIRCRAFT
INVOLUTE SPLINE PITCH DIAMETER0.2500 INCHES NOMINAL SECOND END, SECOND PORTION
INVOLUTE SPLINE LENGTH0.500 INCHES NOMINAL SECOND END, SECOND PORTION
INVOLUTE SPLINE PRESSURE ANGLE IN DEG14.5 SECOND END, SECOND PORTION
INVOLUTE SPLINE QUANTITY12 SECOND END, SECOND PORTION
OVERALL LENGTH2.243 INCHES NOMINAL
MATERIALSTEEL
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT HARDNESS RATING47.000 ROCKWELL C MINIMUM AND 53.000 ROCKWELL C MAXIMUM
SPECIAL FEATURESMATERIAL SPEC MIL-S-5000,COND C OR D
STRAIGHT UNTHREADED SECTION DIAMETER0.3147 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.3147 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.256 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.381 INCHES NOMINAL SECOND END, FIRST PORTION
WORM BODY LENGTH1.187 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE7 DEG 18 MIN 59 SEC
WORM OUTSIDE DIAMETER0.552 INCHES NOMINAL
WORM PITCH DIAMETER0.49018 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG20.000
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.19796 INCHES NOMINAL
WORM THREAD QUANTITY2
WORM THREAD SECTION LENGTH0.625 INCHES NOMINAL
TEETH HARDNESS RATING47.000 ROCKWELL C MINIMUM AND 53.000 ROCKWELL C MAXIMUM


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