5330-00-556-8632 SEAL,PLAIN ENCASED Index 5340-00-556-8634 PLUG,EXPANSION

National Stock Number:
3040-00-556-8633

Federal Supply Class:
3040

National Item Identification Number:
005568633

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:
1015-556-8633SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
1015005568633SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
556863319204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAELEVATING MECHANISM ASSY,MOUNT HOWITZER,105MM,M4
OVERALL LENGTH12.830 INCHES NOMINAL
MATERIALCOPPER ALLOY
SPECIAL FEATURES3/16 IN. BY 0.68 IN. DIA UNDERCUT NEXT TO SQUARED END OF SHAFT
SCREW THREAD SERIES DESIGNATORUNF FIRST END, SECOND PORTION
SECTION SHAPESQUARE FIRST END, FIRST PORTION
SECTION SHAPESQUARE SECOND END, SECOND PORTION
SHAFT HARDNESS RATINGC SCALE,23
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT SECTION SIZE0.687IN. ACROSS FLATS
SHAFT SECTION SIZE0.811IN. ACROSS FLATS
SHAFT THREAD DIRECTIONRIGHT-HAND FIRST END, SECOND PORTION
WORM BODY LENGTH5.225 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE3 DEG 30 MIN
WORM OUTSIDE DIAMETER2.213 INCHES NOMINAL
WORM PITCH DIAMETER1.975 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG40.000
WORM THREAD DIRECTIONLEFT-HAND
WORM THREAD LEAD0.375 INCHES NOMINAL
WORM THREAD QUANTITY3
WORM THREAD SECTION LENGTH1.250 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH4.9175 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.8125 INCHES NOMINAL SECOND END, FIRST PORTION
TEETH HARDNESS RATINGC SCALE,23
THREAD LENGTH1.000 INCHES NOMINAL FIRST END, SECOND PORTION
THREADED SECTION PIN HOLE DIAMETER0.136 INCHES NOMINAL FIRST END, SECOND PORTION


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