3040-00-288-5805, WORM SHAFT

National Stock Number:
3040-00-288-5805

Federal Supply Class:
3040

National Item Identification Number:
002885805

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:

127D794-1	24446	GENERAL ELECTRIC COMPANY
127D794PC1	24446	GENERAL ELECTRIC COMPANY
D3180650PC1	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
KEYWAY WIDTH	0.188 INCHES NOMINAL FIRST END FIRST PORTION
KEYWAY WIDTH	0.188 INCHES NOMINAL SECOND END FIRST PORTION
OVERALL LENGTH	14.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	B50R214,CLASS A,GENERAL ELECTRIC CO MFR REF SINGLE MATERIAL RESPONSE
MATERIAL	STEEL
SCREW THREAD SERIES DESIGNATOR	SPECIAL FIRST END FIRST PORTION
SCREW THREAD SERIES DESIGNATOR	SPECIAL SECOND END FIRST PORTION
SHAFT HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
SHAFT LOCATION	BOTH ENDS OF WORM
SHAFT THREAD DIRECTION	RIGHT-HAND FIRST END FIRST PORTION
SHAFT THREAD DIRECTION	RIGHT-HAND SECOND END FIRST PORTION
UNTHREADED SECTION KEYWAY DEPTH	0.094 INCHES NOMINAL FIRST END FIRST PORTION
UNTHREADED SECTION KEYWAY DEPTH	0.094 INCHES NOMINAL SECOND END FIRST PORTION
UNTHREADED SECTION KEYWAY DEPTH	0.125 INCHES NOMINAL SECOND END SECOND PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.2450 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM SECOND END SECOND PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.1880 INCHES NOMINAL FIRST END FIRST PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.1880 INCHES NOMINAL SECOND END FIRST PORTION
WORM BODY LENGTH	6.125 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	8 DEG,19 MIN,16.45 SEC
WORM OUTSIDE DIAMETER	1.808 INCHES NOMINAL
WORM PITCH DIAMETER	1.600 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG	20.000
WORM THREAD DIRECTION	RIGHT-HAND
WORM THREAD LEAD	0.7352 INCHES NOMINAL
WORM THREAD QUANTITY	2
WORM THREAD SECTION LENGTH	3.500 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH	0.688 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED LENGTH	0.938 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH	5.438 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.1812 INCHES MINIMUM AND 1.1815 INCHES MAXIMUM FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.1812 INCHES MINIMUM AND 1.1815 INCHES MAXIMUM SECOND END FIRST PORTION
TEETH HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
THREAD LENGTH	0.500 INCHES NOMINAL SECOND END FIRST PORTION
THREAD LENGTH	0.563 INCHES NOMINAL FIRST END FIRST PORTION

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