1055-00-652-6301 LINK,CONNECTING Index 1055-00-652-6306 CYLINDER ASSEMBLY

National Stock Number:
3040-00-652-6305

Federal Supply Class:
3040

National Item Identification Number:
006526305

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:
875923219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH11.500 INCHES NOMINAL
MATERIALSTEEL
SPECIAL FEATURES32 AA MICROINCH FINISH ON FIRST END,SECOND PORTION,SECOND END,SECONDAND THIRD PORTIONS AND WORM THREAD SURFACES
SHAFT HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
SHAFT LOCATIONBOTH ENDS OF WORM
STRAIGHT UNTHREADED SECTION DIAMETER1.1810 INCHES MINIMUM AND 1.1814 INCHES MAXIMUM SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.125 INCHES NOMINAL SECOND END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.872 INCHES MINIMUM AND 0.875 INCHES MAXIMUM SECOND END FIFTH PORTION
SURFACE TREATMENTPHOSPHATE
TEETH HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
UNTHREADED SECTION KEYWAY DEPTH0.139 INCHES MINIMUM AND 0.147 INCHES MAXIMUM SECOND END FIFTH PORTION
UNTHREADED SECTION KEYWAY WIDTH0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM SECOND END FIFTH PORTION
WORM BODY LENGTH2.500 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE14 DEG 56 MIN 24 SEC
WORM OUTSIDE DIAMETER2.680 INCHES NOMINAL
WORM PITCH DIAMETER2.500 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.750 INCHES NOMINAL
WORM THREAD QUANTITY2
WORM THREAD SECTION LENGTH2.063 INCHES NOMINAL


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