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:
MATERIALSTEEL
TEETH HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
31.0 ROCKWELL C MAXIMUM
SHAFT HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
31.0 ROCKWELL C MAXIMUM
WORM THREAD QUANTITY1
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.125 INCHES NOMINAL
WORM THREAD DIRECTIONLEFT-HAND
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 SECTION LENGTH0.640 INCHES MINIMUM AND
0.650 INCHES MAXIMUM
WORM BODY LENGTH0.640 INCHES MINIMUM AND
0.650 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
SHAFT LOCATIONBOTH ENDS OF WORM
END SIMILARITYNOT IDENTICAL
STRAIGHT UNTHREADED LENGTH0.280 INCHES NOMINAL FIRST END, FIRST PORTION
0.410 INCHES MINIMUM FIRST END, SECOND PORTION
0.420 INCHES MAXIMUM FIRST END, SECOND PORTION
0.196 INCHES NOMINAL SECOND END, FIRST PORTION
0.240 INCHES MINIMUM SECOND END, SECOND PORTION
0.250 INCHES MAXIMUM SECOND END, SECOND PORTION
0.167 INCHES MINIMUM SECOND END, THIRD PORTION
0.177 INCHES MAXIMUM SECOND END, THIRD PORTION
0.240 INCHES MINIMUM SECOND END, FOURTH PORTION
0.250 INCHES MAXIMUM SECOND END, FOURTH PORTION
1.1854 INCHES NOMINAL SECOND END, SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.310 INCHES MINIMUM FIRST END, FIRST PORTION
0.320 INCHES MAXIMUM FIRST END, FIRST PORTION
0.240 INCHES MINIMUM FIRST END, SECOND PORTION
0.250 INCHES MAXIMUM FIRST END, SECOND PORTION
0.315 INCHES NOMINAL SECOND END, FIRST PORTION
0.277 INCHES MINIMUM SECOND END, SECOND PORTION
0.279 INCHES MAXIMUM SECOND END, SECOND PORTION
0.330 INCHES MINIMUM SECOND END, THIRD PORTION
0.340 INCHES MAXIMUM SECOND END, THIRD PORTION
0.315 INCHES NOMINAL SECOND END, FOURTH PORTION
0.250 INCHES NOMINAL SECOND END, SIXTH PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.0940 INCHES NOMINAL SECOND END, SIXTH PORTION
SCREW THREAD SERIES DESIGNATORUNF BOTH ENDS
SHAFT THREAD DIRECTIONLEFT-HAND SECOND END, FIFTH PORTION
THREAD LENGTH0.262 INCHES NOMINAL SECOND END, FIFTH PORTION
OVERALL LENGTH3.640 INCHES MINIMUM AND
3.650 INCHES MAXIMUM
FSC APPLICATION DATAMOUNT,TELESCOPE
THE MANUFACTURERS DATA
MANUFACTURERS CODE19200
DESIGN CONTROL REFERENCE10512788


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