5340-00-402-2197 BOOT,DUST AND MOISTURE SEAL Index 1005-00-402-2200 HEAD,BELL RAMMER

National Stock Number:
3040-00-402-2198

Federal Supply Class:
3040

National Item Identification Number:
004022198

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:
1051278819200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAMOUNT,TELESCOPE
OVERALL LENGTH3.640 INCHES MINIMUM AND 3.650 INCHES MAXIMUM
MATERIALSTEEL
SCREW THREAD SERIES DESIGNATORUNF BOTH ENDS
SHAFT HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT THREAD DIRECTIONLEFT-HAND SECOND END FIFTH PORTION
STRAIGHT UNTHREADED LENGTH0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM SECOND END THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.196 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SECOND END FOURTH PORTION
STRAIGHT UNTHREADED LENGTH0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.280 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM FIRST END SECOND PORTION
STRAIGHT UNTHREADED LENGTH1.1854 INCHES NOMINAL SECOND END SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.250 INCHES NOMINAL SECOND END SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.277 INCHES MINIMUM AND 0.279 INCHES MAXIMUM SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.315 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.315 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM SECOND END THIRD PORTION
TEETH HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
THREAD LENGTH0.262 INCHES NOMINAL SECOND END FIFTH PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.0940 INCHES NOMINAL SECOND END SIXTH PORTION
WORM BODY LENGTH0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE5 DEG 11 MIN
WORM OUTSIDE DIAMETER0.513 INCHES MINIMUM AND 0.518 INCHES MAXIMUM
WORM PITCH DIAMETER0.436 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
WORM THREAD DIRECTIONLEFT-HAND
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.125 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM


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