4720-00-675-1163 HOSE ASSEMBLY,NONMETALLIC Index 5999-00-675-1168 CONTACT,ELECTRICAL

National Stock Number:
3040-00-675-1166

Federal Supply Class:
3040

National Item Identification Number:
006751166

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:
769584819200US ARMY ARDEC RDECOM


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONCFFC AND CFFK AND CFFL AND CFFY
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATATELESCOPE,PANORAMIC M100S
OVERALL LENGTH2.761 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONNITRALLOY MFR REF SINGLE MATERIAL RESPONSE
MATERIALSTEEL UNS J24056
SHAFT LOCATIONBOTH ENDS OF WORM
SPECIAL FEATURESNITRIDE HARDEN CASE DEPTH 0.003 TO 0.006 INCH,OVERALL EXCEPT SECOND END TAIRD PORTION. BOTH ENDS CHAMFERED 0.030 IN. NOMINAL BY 45 DEG. NOMINAL
WORM BODY LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE7 DEG 45 MIN 25 SEC
WORM OUTSIDE DIAMETER0.3507 INCHES NOMINAL
WORM PITCH DIAMETER0.3087 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.1321 INCHES NOMINAL
WORM THREAD QUANTITY2
WORM THREAD SECTION LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
STRAIGHT UNTHREADED SECTION DIAMETER0.1562 INCHES MINIMUM AND 0.1566 INCHES MAXIMUM SECOND END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.1873 INCHES MINIMUM AND 0.1876 INCHES MAXIMUM FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.1873 INCHES MINIMUM AND 0.1876 INCHES MAXIMUM SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM SECOND END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM FIRST END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.415 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM SECOND END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.904 INCHES MINIMUM AND 0.909 INCHES MAXIMUM SECOND END THIRD PORTION
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTOXIDE


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