3040-00-031-2472, WORM SHAFT

National Stock Number:
3040-00-031-2472

Federal Supply Class:
3040

National Item Identification Number:
000312472

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:

72105	03848	ARMA DIV AMBAC INDUSTRIES INC
A72105	58250	BALLANTYNE OF OMAHA INC.

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
OVERALL LENGTH	1.156 INCHES NOMINAL
MATERIAL	STEEL CORROSION RESISTING
SHAFT LOCATION	ONE END OF WORM
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	3 DEG 35 MIN
WORM OUTSIDE DIAMETER	0.375 INCHES NOMINAL
WORM PITCH DIAMETER	0.333 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM PRESSURE ANGLE IN DEG	14.500
WORM THREAD LEAD	0.375 INCHES NOMINAL
WORM THREAD SECTION LENGTH	0.375 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH	0.093 INCHES NOMINAL FIRST END
STRAIGHT UNTHREADED LENGTH	0.626 INCHES NOMINAL SECOND END
STRAIGHT UNTHREADED SECTION DIAMETER	0.156 INCHES NOMINAL SECOND END
STRAIGHT UNTHREADED SECTION DIAMETER	0.219 INCHES NOMINAL FIRST END

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