5340-00-872-0902 CAP,PROTECTIVE,DUST AND MOISTUR Index 1025-00-872-0907 STRAP ASSEMBLY,BRAC

National Stock Number:
3040-00-872-0906

Federal Supply Class:
3040

National Item Identification Number:
008720906

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:
1091808419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
3040008720906SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH5.500 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURES3/16 IN. DIA HOLE,1-3/4 IN. DEEP,THRU CENTER WORM SHAFT
SCREW THREAD SERIES DESIGNATORUNF FIRST END FIRST PORTION
SHAFT HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
SHAFT LOCATIONONE END OF WORM
SHAFT THREAD DIRECTIONRIGHT-HAND FIRST END FIRST PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.1250 INCHES NOMINAL FIRST END FIRST PORTION
WORM BODY LENGTH1.500 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLEN/A
WORM OUTSIDE DIAMETER0.750 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD QUANTITY8
WORM THREAD SECTION LENGTH1.500 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH3.282 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.500 INCHES NOMINAL FIRST END FIRST PORTION
TEETH HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
THREAD LENGTH0.563 INCHES NOMINAL FIRST END FIRST PORTION


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