5910-00-899-6314 CAPACITOR,FIXED,MICA DIELECTRIC Index 4820-00-899-6318 VALVE,SAFETY RELIEF

National Stock Number:
3040-00-899-6316

Federal Supply Class:
3040

National Item Identification Number:
008996316

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:
826202119200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAQUADRANT,ELEVATION,ANTIAIRCRAFT FIRE CONTROL EQUIPMENT
OVERALL LENGTH5.070 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
SCREW THREAD SERIES DESIGNATORUNF SECOND END SECOND PORTION
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT THREAD DIRECTIONRIGHT-HAND SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.375 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.825 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.041 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.380 INCHES NOMINAL SECOND END FIRST PORTION
SURFACE TREATMENTPASSIVATE
THREAD LENGTH0.330 INCHES NOMINAL SECOND END SECOND PORTION
THREADED SECTION PIN HOLE DIAMETER0.094 INCHES NOMINAL SECOND END SECOND PORTION
WORM BODY LENGTH0.820 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE4 DEG 59 MIN
WORM OUTSIDE DIAMETER0.753 INCHES NOMINAL
WORM PITCH DIAMETER0.647 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.1666 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH0.820 INCHES NOMINAL


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