3040-01-413-9067, WORM SHAFT

National Stock Number:
3040-01-413-9067

Federal Supply Class:
3040

National Item Identification Number:
014139067

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:

845-6556577	53711	NAVAL SEA SYSTEMS COMMAND
845-6603141-129	53711	NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

STRAIGHT UNTHREADED SECTION DIAMETER	2.089 INCHES NOMINAL FIRST END, FIRST PORTION
THREAD LENGTH	0.710 INCHES NOMINAL FIRST END, THIRD PORTION
THREAD LENGTH	0.748 INCHES NOMINAL SECOND END, FOURTH PORTION
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	4 DEG 15 MIN
WORM OUTSIDE DIAMETER	2.942 INCHES MINIMUM AND 2.946 INCHES MAXIMUM
WORM PITCH DIAMETER	2.505 INCHES NOMINAL
WORM THREAD DIRECTION	LEFT-HAND
WORM PRESSURE ANGLE IN DEG	20.000
END SIMILARITY	NOT IDENTICAL
KEYWAY DEPTH	0.094 INCHES NOMINAL SECOND END, FOURTH PORTION
KEYWAY DEPTH	0.105 INCHES NOMINAL FIRST END, THIRD PORTION
KEYWAY WIDTH	0.313 INCHES NOMINAL FIRST END, THIRD PORTION
KEYWAY WIDTH	0.313 INCHES NOMINAL SECOND END, FOURTH PORTION
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL	STEEL
OVERALL LENGTH	15.200 INCHES NOMINAL
SCREW THREAD SERIES DESIGNATOR	UN FIRST END, THIRD PORTION
SCREW THREAD SERIES DESIGNATOR	UN SECOND END, FOURTH PORTION
SHAFT LOCATION	BOTH ENDS OF WORM
SHAFT THREAD DIRECTION	RIGHT-HAND SECOND END, FOURTH PORTION
SHAFT THREAD DIRECTION	RIGHT-HAND FIRST END, THIRD PORTION
SPECIAL FEATURES	SECOND END HAS SECOND KEYWAY,0.375 IN. WIDTH, 0.204 IN. DEPTH
STRAIGHT UNTHREADED LENGTH	1.036 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH	1.707 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH	1.658 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH	2.624 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	3.119 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.563 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.574 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.770 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	2.089 INCHES NOMINAL SECOND END, FIRST PORTION
WORM THREAD LEAD	0.5088 INCHES NOMINAL
WORM THREAD QUANTITY	1
WORM THREAD SECTION LENGTH	3.560 INCHES MINIMUM AND 3.600 INCHES MAXIMUM

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