6685-01-281-6851 TESTER,PRESSURE GAGE Index 5360-01-281-6853 SPRING,HELICAL,TORSION

National Stock Number:
3040-01-281-6852

Federal Supply Class:
3040

National Item Identification Number:
012816852

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:
1259921719200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH3.830 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
SHAFT LOCATIONBOTH ENDS OF WORM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE5 DEG 11 MIN
WORM OUTSIDE DIAMETER0.518 INCHES NOMINAL
WORM PITCH DIAMETER0.438 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.125 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE


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