1650-00-715-9284 GLAND ASSY,MOUNTING Index 5360-00-715-9286 SPRING,HELICAL,COMPRESSION

National Stock Number:
3040-00-715-9285

Federal Supply Class:
3040

National Item Identification Number:
007159285

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:
864240919200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAQUADRANT,FIRE CONTROL
OVERALL LENGTH3.260 INCHES MINIMUM AND 3.270 INCHES MAXIMUM
MATERIALSTEEL
SCREW THREAD SERIES DESIGNATORUNF SECOND END, THIRD PORTION
SHAFT HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT THREAD DIRECTIONRIGHT-HAND SECOND END, THIRD PORTION
SPECIAL FEATURESSURFACE FINISH MIL-STD-171,SYSTEM 21.6 /COLOR BLACK/ NO.2710 OF FED-STD-595 FOR SECOND END SHAFT FACE
WORM BODY LENGTH1.314 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE3 DEG 39 MIN
WORM OUTSIDE DIAMETER0.558 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
WORM PITCH DIAMETER0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.100 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH0.560 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
STRAIGHT UNTHREADED LENGTH0.094 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.234 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.394 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.650 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH1.078 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.250 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.250 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.310 INCHES MINIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.315 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.320 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.400 INCHES MINIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.410 INCHES MAXIMUM SECOND END, FIRST PORTION
SURFACE TREATMENTPASSIVATE
TEETH HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
THREAD LENGTH0.250 INCHES NOMINAL SECOND END, THIRD PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.1090 INCHES NOMINAL SECOND END, FOURTH PORTION


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