3040-00-694-8030, WORM SHAFT

National Stock Number:
3040-00-694-8030

Federal Supply Class:
3040

National Item Identification Number:
006948030

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:

A3400	17472	EATON AEROSPACE LLC
A3400	72121	EATON MOTOR SITE

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
FSC APPLICATION DATA	ACTUATOR,ELECTRO-MECHANICAL ROTARY
INVOLUTE SPLINE PITCH DIAMETER	0.2480 INCHES NOMINAL SECOND END THIRD PORTION
INVOLUTE SPLINE LENGTH	0.593 INCHES NOMINAL SECOND END THIRD PORTION
INVOLUTE SPLINE PRESSURE ANGLE IN DEG	14.5 FIRST END
INVOLUTE SPLINE QUANTITY	12 FIRST END
OVERALL LENGTH	3.125 INCHES NOMINAL
MATERIAL	STEEL
SCREW THREAD SERIES DESIGNATOR	UNF SECOND END SECOND PORTION
SHAFT HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
SHAFT LOCATION	BOTH ENDS OF WORM
SHAFT THREAD DIRECTION	RIGHT-HAND SECOND END SECOND PORTION
UNTHREADED SECTION KEYWAY DEPTH	0.075 INCHES NOMINAL FIRST END SECOND PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.0625 INCHES NOMINAL FIRST END SECOND PORTION
WORM BODY LENGTH	1.234 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	4 DEG 46 MIN
WORM OUTSIDE DIAMETER	0.583 INCHES NOMINAL
WORM PITCH DIAMETER	0.500 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG	14.500
WORM THREAD DIRECTION	RIGHT-HAND
WORM THREAD LEAD	0.131 INCHES NOMINAL
WORM THREAD QUANTITY	1
WORM THREAD SECTION LENGTH	0.875 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH	0.218 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED LENGTH	0.250 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH	0.546 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.2502 INCHES NOMINAL FIRST END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.312 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.3752 INCHES NOMINAL SECOND END FIRST PORTION
TEETH HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
THREAD LENGTH	0.281 INCHES NOMINAL SECOND END SECOND PORTION
THREADED SECTION PIN HOLE DIAMETER	0.070 INCHES NOMINAL SECOND END SECOND PORTION

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