5905-00-146-6175 RESISTOR,VARIABLE,WIRE WOUND,PRE Index 1240-00-146-6179 CONTROL,COMMANDERS

National Stock Number:
3040-00-146-6176

Federal Supply Class:
3040

National Item Identification Number:
001466176

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:
1054343819200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAMOUNT,TELESCOPE
OVERALL LENGTH3.062 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 410 COND A OR 416 FED SPEC ALL MATERIAL RESPONSES
MATERIALSTEEL COMP 410 OR STEEL COMP 416
SHAFT HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
SHAFT LOCATIONBOTH ENDS OF WORM
SPECIAL FEATURESSECOND END SLOTTED 0.0625 IN. WIDE,0.0937 IN DEEP
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
WORM BODY LENGTH1.685 INCHES NOMINAL
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 DIAMETER0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.125 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH0.040 INCHES MAXIMUM FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.030 INCHES MINIMUM FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.030 INCHES MINIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.040 INCHES MAXIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.156 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.218 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.410 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH0.460 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.532 INCHES NOMINAL FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH0.575 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.300 INCHES MINIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.310 INCHES MAXIMUM SECOND END, FIRST PORTION
SURFACE TREATMENTPASSIVATE
TEETH HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM


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