1450-01-342-9125 COVER,GUIDED MISSILE GROUND SERV Index 4920-01-342-9127 ADAPTER,TEST

National Stock Number:
3040-01-342-9126

Federal Supply Class:
3040

National Item Identification Number:
013429126

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:
DW0249M-1X1515330IMO INDUSTRIES INC DELROYD WORM GEAR DIV
WB-1725715330IMO INDUSTRIES INC DELROYD WORM GEAR DIV
WF-5635 PIECE 5615330IMO INDUSTRIES INC DELROYD WORM GEAR DIV


Techincal Specification:
SHAFT LOCATIONBOTH ENDS OF WORM
END SIMILARITYNOT IDENTICAL
STRAIGHT UNTHREADED LENGTH4.188 INCHES NOMINAL FIRST END, FIRST PORTION
1.156 INCHES NOMINAL FIRST END, SECOND PORTION
1.094 INCHES NOMINAL FIRST END, THIRD PORTION
4.125 INCHES NOMINAL SECOND END, FIRST PORTION
3.750 INCHES NOMINAL SECOND END, SECOND PORTION
1.500 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER3.094 INCHES NOMINAL FIRST END, FIRST PORTION
2.757 INCHES NOMINAL FIRST END, SECOND PORTION
2.750 INCHES NOMINAL FIRST END, THIRD PORTION
3.625 INCHES NOMINAL SECOND END, FIRST PORTION
3.002 INCHES NOMINAL SECOND END, SECOND PORTION
2.750 INCHES NOMINAL SECOND END, FOURTH PORTION
TAPER LENGTH0.188 INCHES NOMINAL SECOND END, FIFTH PORTION
KEYWAY WIDTH0.312 INCHES NOMINAL SECOND END, THIRD PORTION
0.626 INCHES NOMINAL SECOND END, SIXTH PORTION
KEYWAY DEPTH0.156 INCHES NOMINAL SECOND END, THIRD PORTION
0.335 INCHES NOMINAL SECOND END, SIXTH PORTION
SCREW THREAD SERIES DESIGNATORUNS SECOND END, THIRD PORTION
THREAD LENGTH0.938 INCHES NOMINAL SECOND END, THIRD PORTION
4.500 INCHES NOMINAL SECOND END, SIXTH PORTION
OVERALL LENGTH31.500 INCHES NOMINAL
MATERIALSTEEL
WORM THREAD QUANTITY2
WORM PRESSURE ANGLE IN DEG22.500
WORM THREAD LEAD2.600 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM HELIX ANGLE4 DEG 27 MIN
WORM OUTSIDE DIAMETER4.552 INCHES NOMINAL
WORM PITCH DIAMETER3.724 INCHES NOMINAL
WORM THREAD SECTION LENGTH6.875 INCHES NOMINAL
WORM BODY LENGTH21.687 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED


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