1680-00-490-4857 TRIGGER,WIPER,WINDS Index 1680-00-490-4860 TUBE ASSY,TORQUE,FL

National Stock Number:
3040-00-490-4858

Federal Supply Class:
3040

National Item Identification Number:
004904858

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:
W2156270255EMERSON ELECTRIC CO ALCO CONTROLS DIV


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH1.959 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 4140 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4140
SHAFT HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
SHAFT LOCATIONONE END OF WORM
STRAIGHT UNTHREADED LENGTH0.196 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.200 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.237 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.197 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.197 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.197 INCHES NOMINAL SECOND END, SECOND PORTION
WORM BODY LENGTH1.326 INCHES NOMINAL
WORM OUTSIDE DIAMETER0.375 INCHES NOMINAL
WORM PITCH DIAMETER0.322 INCHES MINIMUM AND 0.325 INCHES MAXIMUM
WORM PRESSURE ANGLE IN DEG20.000
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD QUANTITY4
WORM THREAD SECTION LENGTH0.750 INCHES NOMINAL
UNTHREADED SECTION KEYWAY WIDTH0.1720 INCHES MINIMUM FIRST END, FIRST PORTION
UNTHREADED SECTION KEYWAY WIDTH0.1720 INCHES MINIMUM SECOND END, FIRST PORTION
UNTHREADED SECTION KEYWAY WIDTH0.1720 INCHES MINIMUM SECOND END, SECOND PORTION
UNTHREADED SECTION KEYWAY WIDTH0.1770 INCHES MAXIMUM FIRST END, FIRST PORTION
UNTHREADED SECTION KEYWAY WIDTH0.1770 INCHES MAXIMUM SECOND END, FIRST PORTION
UNTHREADED SECTION KEYWAY WIDTH0.1770 INCHES MAXIMUM SECOND END, SECOND PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.0930 INCHES NOMINAL FIRST END, FIRST PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.1470 INCHES MINIMUM SECOND END, SECOND PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.1500 INCHES MAXIMUM SECOND END, SECOND PORTION


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