3040-00-585-3505, WORM SHAFT

National Stock Number:
3040-00-585-3505

Federal Supply Class:
3040

National Item Identification Number:
005853505

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:

3290718PC301	80064	NAVAL SHIP SYSTEMS COMMAND
905J341-301	11660	WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
905J341-301	79500	WESTINGHOUSE ELECTRIC CORP
905J341-301	88657	WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV
905J341-301	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION
905J341-301,336	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION
905J341PC301	79500	WESTINGHOUSE ELECTRIC CORP
905J341PC301	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

MATERIAL	STEEL COMP 4620
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7493,COMP4620 MIL SPEC SINGLE MATERIAL RESPONSE
TEETH HARDNESS RATING	56.0 ROCKWELL C MINIMUM AND
	62.0 ROCKWELL C MAXIMUM
SHAFT HARDNESS RATING	C SCALE 24
WORM THREAD QUANTITY	1
WORM PRESSURE ANGLE IN DEG	20.000
WORM THREAD LEAD	1.625 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM HELIX ANGLE	7 DEG 42 MIN
WORM OUTSIDE DIAMETER	4.862 INCHES NOMINAL
WORM PITCH DIAMETER	3.448 INCHES NOMINAL
WORM THREAD SECTION LENGTH	8.000 INCHES NOMINAL
WORM BODY LENGTH	8.000 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
SHAFT LOCATION	BOTH ENDS OF WORM
END SIMILARITY	NOT IDENTICAL
STRAIGHT UNTHREADED LENGTH	2.625 INCHES NOMINAL EITHER END, FIRST PORTION
	2.875 INCHES NOMINAL EITHER END, SECOND PORTION
	0.250 INCHES NOMINAL EITHER END, FOURTH PORTION
	2.438 INCHES NOMINAL EITHER END, SIXTH PORTION
	1.063 INCHES NOMINAL EITHER END, SEVENTH PORTION
	7.125 INCHES NOMINAL EITHER END, ELEVENTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.750 INCHES NOMINAL EITHER END, FIRST PORTION
	2.5588 INCHES MINIMUM EITHER END, SECOND PORTION
	2.5594 INCHES MAXIMUM EITHER END, SECOND PORTION
	1.999 INCHES MINIMUM EITHER END, FOURTH PORTION
	2.001 INCHES MAXIMUM EITHER END, FOURTH PORTION
	2.625 INCHES NOMINAL EITHER END, SIXTH PORTION
	2.651 INCHES MINIMUM EITHER END, SEVENTH PORTION
	2.656 INCHES MAXIMUM EITHER END, SEVENTH PORTION
	1.999 INCHES MINIMUM EITHER END, NINTH PORTION
	1.001 INCHES MAXIMUM EITHER END, NINTH PORTION
	1.874 INCHES MINIMUM EITHER END, ELEVENTH PORTION
	1.875 INCHES MAXIMUM EITHER END, ELEVENTH PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.3130 INCHES NOMINAL EITHER END, SECOND PORTION
	0.3130 INCHES NOMINAL EITHER END, SEVENTH PORTION
	0.4940 INCHES MINIMUM EITHER END, ELEVENTH PORTION
	0.4960 INCHES MAXIMUM EITHER END, ELEVENTH PORTION
UNTHREADED SECTION KEYWAY DEPTH	0.125 INCHES NOMINAL EITHER END, SECOND PORTION
	0.125 INCHES NOMINAL EITHER END, SEVENTH PORTION
	0.265 INCHES NOMINAL EITHER END, ELEVENTH PORTION
KEYWAY WIDTH	0.313 INCHES NOMINAL EITHER END, THIRD PORTION
	0.313 INCHES NOMINAL EITHER END, EIGHTH PORTION
SCREW THREAD SERIES DESIGNATOR	SPECIAL EITHER END, THIRD PORTION
	SPECIAL EITHER END, EIGHTH PORTION
SHAFT THREAD DIRECTION	RIGHT-HAND EITHER END, THIRD PORTION
	RIGHT-HAND EITHER END, EIGHTH PORTION
THREAD LENGTH	0.688 INCHES NOMINAL EITHER END, THIRD PORTION
	0.688 INCHES NOMINAL EITHER END, EIGHTH PORTION
CIRCULAR PORTION RADIUS	1.688 INCHES NOMINAL EITHER END, FIFTH PORTION
DISTANCE FROM RADIAL CENTER TO FLAT SURFACE	1.000 INCHES NOMINAL EITHER END, FIFTH PORTION
SHAFT SECTION SIZE	1.922 INCHESOVERALL DIA EITHER END
OVERALL LENGTH	30.125 INCHES NOMINAL
FSC APPLICATION DATA	STEAM TURBINE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	90099
DESIGN CONTROL REFERENCE	905J341-301,336

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