3040-00-116-5182, WORM SHAFT

National Stock Number:
3040-00-116-5182

Federal Supply Class:
3040

National Item Identification Number:
001165182

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:

18030-30

95779

ELECTRA MOTORS OPERATION POWER TRANSMISSION DIV DRESSER INDUSTRIES INC

Techincal Specification:

END SIMILARITY	IDENTICAL
INVOLUTE SPLINE LENGTH	0.844 INCHES NOMINAL SECOND END, THIRD PORTION
INVOLUTE SPLINE PITCH DIAMETER	1.4000 INCHES NOMINAL SECOND END, THIRD PORTION
INVOLUTE SPLINE PRESSURE ANGLE IN DEG	30.0 SECOND END, THIRD PORTION
INVOLUTE SPLINE QUANTITY	28 SECOND END, THIRD PORTION
OVERALL LENGTH	11.594 INCHES MINIMUM AND 11.656 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66,AISI/SAE 8620 FED STD SINGLE MATERIAL RESPONSE
MATERIAL	STEEL COMP 8620
SHAFT HARDNESS RATING	60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM
SHAFT LOCATION	BOTH ENDS OF WORM
WORM BODY LENGTH	7.601 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	7 DEG 36 MIN
WORM OUTSIDE DIAMETER	2.533 INCHES NOMINAL
WORM PITCH DIAMETER	2.000 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM PRESSURE ANGLE IN DEG	25.000
WORM THREAD LEAD	0.8378 INCHES NOMINAL
WORM THREAD QUANTITY	1
WORM THREAD SECTION LENGTH	5.500 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH	0.531 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH	0.933 INCHES MINIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	0.938 INCHES MAXIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	1.211 INCHES MINIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	1.273 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.564 INCHES MINIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.565 INCHES MAXIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.626 INCHES MINIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.626 INCHES MINIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.627 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.627 INCHES MAXIMUM SECOND END, FIRST PORTION
TEETH HARDNESS RATING	60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM

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