3040-00-880-7710, WORM SHAFT

National Stock Number:
3040-00-880-7710

Federal Supply Class:
3040

National Item Identification Number:
008807710

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:

529986-2	70210	HONEYWELL INTERNATIONAL INC.
529986-2	72599	ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO

Techincal Specification:

MATERIAL	STEEL
TEETH HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM
SHAFT HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT	NICKEL
WORM THREAD QUANTITY	4
WORM PRESSURE ANGLE IN DEG	14.500
WORM THREAD LEAD	0.33333 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM HELIX ANGLE	4 DEG 33 MIN
WORM OUTSIDE DIAMETER	0.3744 INCHES MINIMUM AND
	0.3750 INCHES MAXIMUM
WORM PITCH DIAMETER	0.3249 INCHES MINIMUM AND
	0.3307 INCHES MAXIMUM
WORM THREAD SECTION LENGTH	9.470 INCHES MAXIMUM
WORM BODY LENGTH	10.320 INCHES MINIMUM AND
	10.330 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
SHAFT LOCATION	BOTH ENDS OF WORM
END SIMILARITY	NOT IDENTICAL
STRAIGHT UNTHREADED LENGTH	0.260 INCHES MINIMUM EITHER END, FIRST PORTION
	0.280 INCHES MAXIMUM EITHER END, FIRST PORTION
	0.230 INCHES NOMINAL EITHER END, SECOND PORTION
	0.150 INCHES NOMINAL EITHER END, THIRD PORTION
	0.200 INCHES MINIMUM EITHER END, FOURTH PORTION
	0.220 INCHES MAXIMUM EITHER END, FOURTH PORTION
	0.380 INCHES NOMINAL EITHER END, FIFTH PORTION
	0.080 INCHES MINIMUM EITHER END, SIXTH PORTION
	0.100 INCHES MAXIMUM EITHER END, SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.2488 INCHES MINIMUM EITHER END, FIRST PORTION
	0.2493 INCHES MAXIMUM EITHER END, FIRST PORTION
	0.265 INCHES MINIMUM EITHER END, SECOND PORTION
	0.270 INCHES MAXIMUM EITHER END, SECOND PORTION
	0.370 INCHES MINIMUM EITHER END, THIRD PORTION
	0.375 INCHES MAXIMUM EITHER END, THIRD PORTION
	0.310 INCHES MINIMUM EITHER END, FOURTH PORTION
	0.315 INCHES MAXIMUM EITHER END, FOURTH PORTION
	0.2490 INCHES MINIMUM EITHER END, FIFTH PORTION
	0.2495 INCHES MAXIMUM EITHER END, FIFTH PORTION
	0.185 INCHES MINIMUM EITHER END, SIXTH PORTION
	0.195 INCHES MAXIMUM EITHER END, SIXTH PORTION
UNTHREADED SECTION PIN HOLE DIAMETER	0.0933 INCHES MINIMUM EITHER END, FIFTH PORTION
	0.0938 INCHES MAXIMUM EITHER END, FIFTH PORTION
THREADED SECTION PIN HOLE DIAMETER	0.062 INCHES MINIMUM EITHER END, SEVENTH PORTION
	0.067 INCHES MAXIMUM EITHER END, SEVENTH PORTION
SCREW THREAD SERIES DESIGNATOR	UNF EITHER END, SEVENTH PORTION
SHAFT THREAD DIRECTION	RIGHT-HAND EITHER END, SEVENTH PORTION
OVERALL LENGTH	11.000 INCHES NOMINAL
FSC APPLICATION DATA	JACK ASSEMBLY,SCANNER DOOR,AIRCRAFT
THE MANUFACTURERS DATA
MANUFACTURERS CODE	70210
DESIGN CONTROL REFERENCE	529986-2

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