3040-00-025-9228, WORM SHAFT

National Stock Number:
3040-00-025-9228

Federal Supply Class:
3040

National Item Identification Number:
000259228

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:

67A247C25

30003

NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER

Techincal Specification:

OVERALL LENGTH	9.660 INCHES NOMINAL
MATERIAL	STEEL
SCREW THREAD SERIES DESIGNATOR	UNF FIRST END, FIFTH PORTION
SHAFT LOCATION	ONE END OF WORM
SHAFT THREAD DIRECTION	RIGHT-HAND FIRST END, FIFTH PORTION
STRAIGHT UNTHREADED LENGTH	0.280 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH	0.560 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	2.590 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.555 INCHES NOMINAL FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.625 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.676 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.875 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH	0.062 INCHES NOMINAL FIRST END, FOURTH PORTION
WORM BODY LENGTH	5.070 INCHES NOMINAL
WORM HELIX ANGLE	14 DEG 30 MIN
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM OUTSIDE DIAMETER	0.875 INCHES NOMINAL
WORM PITCH DIAMETER	0.791 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG	14.500
WORM THREAD DIRECTION	LEFT-HAND
WORM THREAD LEAD	0.166 INCHES NOMINAL
WORM THREAD QUANTITY	30
WORM THREAD SECTION LENGTH	5.010 INCHES NOMINAL
THREAD LENGTH	1.098 INCHES NOMINAL FIRST END, FIFTH PORTION
THREADED SECTION PIN HOLE DIAMETER	0.140 INCHES NOMINAL FIRST END, FIFTH PORTION
UNTHREADED SECTION KEYWAY DEPTH	0.111 INCHES NOMINAL FIRST END, THIRD PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.1865 INCHES MINIMUM FIRST END, THIRD PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.1875 INCHES MAXIMUM FIRST END, THIRD PORTION

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