3040-01-411-4236, WORM SHAFT

National Stock Number:
3040-01-411-4236

Federal Supply Class:
3040

National Item Identification Number:
014114236

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:

903-5912046	80090	CHARLESTON NAVAL SHIPYARD NAVAL BASE
903-5912046PC14	53711	NAVAL SEA SYSTEMS COMMAND
903-5912046PC14	80090	CHARLESTON NAVAL SHIPYARD NAVAL BASE

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
MATERIAL	STEEL
OVERALL LENGTH	6.500 INCHES NOMINAL
SHAFT HARDNESS RATING	50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
SHAFT LOCATION	BOTH ENDS OF WORM
SPECIAL FEATURES	FIRST END 0.375 IN. SQUARE, 0.812 IN. LG, MATERIAL PER QQ-T-579
STRAIGHT UNTHREADED LENGTH	0.812 INCHES NOMINAL FIRST END
STRAIGHT UNTHREADED LENGTH	1.062 INCHES NOMINAL SECOND END
STRAIGHT UNTHREADED SECTION DIAMETER	0.375 INCHES NOMINAL FIRST END
STRAIGHT UNTHREADED SECTION DIAMETER	0.500 INCHES NOMINAL SECOND END
WORM BODY LENGTH	1.374 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	6 DEG 45 MIN
WORM OUTSIDE DIAMETER	0.875 INCHES NOMINAL
WORM PITCH DIAMETER	0.709 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM THREAD LEAD	0.263 INCHES NOMINAL
WORM THREAD QUANTITY	1
WORM THREAD SECTION LENGTH	1.374 INCHES NOMINAL

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