3020-00-389-4727 GEAR,WORM Index 6320-00-389-4731 JIG,SCREW PIN

National Stock Number:
3040-00-389-4728

Federal Supply Class:
3040

National Item Identification Number:
003894728

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:
P50176323667SMITHS DETECTION INC.
V40255PC1923667SMITHS DETECTION INC.


Techincal Specification:
END SIMILARITYNOT IDENTICALNOT IDENTICAL
FSC APPLICATION DATADUMMY,TRANSMITTER,SHIPS SPEEDDUMMY,TRANSMITTER,SHIPS SPEED
OVERALL LENGTH4.594 INCHES NOMINAL4.594 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108-52, GRADE 1050 ASSN STD SINGLE MATERIAL RESPONSEASTM A108-52, GRADE 1050 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1050STEEL COMP 1050
SHAFT LOCATIONBOTH ENDS OF WORMBOTH ENDS OF WORM
WORM BODY LENGTH2.906 INCHES NOMINAL2.906 INCHES NOMINAL
WORM HELIX ANGLE4 DEG 46 MIN4 DEG 46 MIN
WORM OUTSIDE DIAMETER0.580 INCHES MINIMUM AND 0.580 INCHES MINIMUM AND 0.583 INCHES MAXIMUM0.583 INCHES MAXIMUM
WORM PITCH DIAMETER0.497 INCHES MINIMUM AND 0.497 INCHES MINIMUM AND 0.500 INCHES MAXIMUM0.500 INCHES MAXIMUM
WORM PRESSURE ANGLE IN DEG14.50014.500
WORM THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
WORM THREAD LEAD0.131 INCHES NOMINAL0.131 INCHES NOMINAL
WORM THREAD QUANTITY11
WORM THREAD SECTION LENGTH0.625 INCHES NOMINAL0.625 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH0.063 INCHES NOMINAL FIRST END SECOND PORTION0.063 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.063 INCHES NOMINAL SECOND END SECOND PORTION0.063 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.406 INCHES NOMINAL FIRST END FIRST PORTION0.406 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.594 INCHES NOMINAL SECOND END THIRD PORTION0.594 INCHES NOMINAL SECOND END THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.9687 INCHES NOMINAL FIRST END THIRD PORTION0.9687 INCHES NOMINAL FIRST END THIRD PORTION
STRAIGHT UNTHREADED LENGTH1.875 INCHES NOMINAL SECOND END FIRST PORTION1.875 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.1760 INCHES MINIMUM AND 0.1760 INCHES MINIMUM AND 0.1765 INCHES MAXIMUM SECOND END SECOND PORTION0.1765 INCHES MAXIMUM SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.1775 INCHES NOMINAL FIRST END SECOND PORTION0.1775 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.1860 INCHES MINIMUM AND 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM SECOND END THIRD PORTION0.1865 INCHES MAXIMUM SECOND END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.1870 INCHES MINIMUM AND 0.1870 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM FIRST END THIRD PORTION0.1875 INCHES MAXIMUM FIRST END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.313 INCHES NOMINAL FIRST END FIRST PORTION0.313 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.313 INCHES NOMINAL SECOND END FIRST PORTION0.313 INCHES NOMINAL SECOND END FIRST PORTION


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