6625-01-303-7500 REFLECTOMETER,OPTICAL TIME DOMA Index 5970-01-303-7502 INSULATOR,PLATE

National Stock Number:
3040-01-303-7501

Federal Supply Class:
3040

National Item Identification Number:
013037501

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:
254004010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH4.172 INCHES MAXIMUM
MATERIALSTEEL
SHAFT LOCATIONBOTH ENDS OF WORM
STRAIGHT UNTHREADED LENGTH0.770 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.2400 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.3123 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.3747 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.3747 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.390 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.500 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.630 INCHES NOMINAL FIRST END, FIRST PORTION
WORM BODY LENGTH1.847 INCHES MINIMUM AND 1.857 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE5 DEG 43 MIN
WORM OUTSIDE DIAMETER0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
WORM PITCH DIAMETER0.6250 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.1963 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH1.850 INCHES MINIMUM AND 1.870 INCHES MAXIMUM
SURFACE TREATMENTANODIZE
TEETH HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
UNTHREADED SECTION PIN HOLE DIAMETER0.0634 INCHES MINIMUM AND 0.0636 INCHES MAXIMUM SECOND END


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