3040-00-542-1685 COLLAR,SHAFT Index 3020-00-542-1687 GEAR,SPUR

National Stock Number:
3040-00-542-1686

Federal Supply Class:
3040

National Item Identification Number:
005421686

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:
4035370210HONEYWELL INTERNATIONAL INC.
4035372599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO


Techincal Specification:
FSC APPLICATION DATARADAR SET,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE
MATERIALSTEEL
TEETH HARDNESS RATING34.0 ROCKWELL C MINIMUM
38.0 ROCKWELL C MAXIMUM
SHAFT HARDNESS RATING34.0 ROCKWELL C MINIMUM
38.0 ROCKWELL C MAXIMUM
WORM THREAD QUANTITY2
WORM PRESSURE ANGLE IN DEG29.000
WORM THREAD LEAD0.2500 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM HELIX ANGLE3 DEG 24 MIN
WORM OUTSIDE DIAMETER0.74955 INCHES NOMINAL
WORM PITCH DIAMETER0.68045 INCHES NOMINAL
WORM THREAD SECTION LENGTH16.290 INCHES NOMINAL
WORM BODY LENGTH16.790 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
SHAFT LOCATIONONE END OF WORM
END SIMILARITYNOT IDENTICAL
STRAIGHT UNTHREADED LENGTH2.200 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.66935 INCHES NOMINAL FIRST END, FIRST PORTION
UNTHREADED SECTION KEYWAY WIDTH0.12475 INCHES NOMINAL FIRST END, FIRST PORTION
UNTHREADED SECTION KEYWAY DEPTH0.19135 INCHES NOMINAL FIRST END, FIRST PORTION
THREADED SECTION PIN HOLE DIAMETER0.111 INCHES NOMINAL FIRST END, SECOND PORTION
SCREW THREAD SERIES DESIGNATORUNF FIRST END, SECOND PORTION
SHAFT THREAD DIRECTIONRIGHT-HAND FIRST END, SECOND PORTION
THREAD LENGTH0.550 INCHES NOMINAL FIRST END, SECOND PORTION
OVERALL LENGTH19.540 INCHES NOMINAL


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