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:

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

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