3040-00-803-4915, WORM SHAFT

National Stock Number:
3040-00-803-4915

Federal Supply Class:
3040

National Item Identification Number:
008034915

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:

10068135-1	18876	U S ARMY AVIATION AND MISSILE COMMAND
10068135-1	26772	WEGO PRECISION MACHINE, INC.

Techincal Specification:

OVERALL LENGTH	3.062 INCHES NOMINAL
MATERIAL	STEEL
SECTION SHAPE	SQUARE FIRST MORTISE
SHAFT LOCATION	ONE END OF WORM
STRAIGHT UNTHREADED LENGTH	0.010 INCHES NOMINAL FIRST END THIRD PORTION
STRAIGHT UNTHREADED LENGTH	0.114 INCHES NOMINAL FIRST END FOURTH PORTION
STRAIGHT UNTHREADED LENGTH	0.094 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED LENGTH	0.469 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.213 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.243 INCHES NOMINAL FIRST END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.249 INCHES NOMINAL FIRST END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.375 INCHES NOMINAL FIRST END SECOND PORTION
SURFACE TREATMENT	PASSIVATE
WORM BODY LENGTH	0.875 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	6 DEG 54 MIN,36 SEC.
WORM OUTSIDE DIAMETER	0.513 INCHES NOMINAL
WORM PITCH DIAMETER	0.416 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM THREAD LEAD	0.0154 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG	20.000
WORM THREAD QUANTITY	1
WORM THREAD SECTION LENGTH	0.875 INCHES NOMINAL

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