3040-00-715-9285, WORM SHAFT

5360-00-715-9286 SPRING,HELICAL,COMPRESSION

National Stock Number:
3040-00-715-9285

Federal Supply Class:
3040

National Item Identification Number:
007159285

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:

8642409

19200

US ARMY ARDEC RDECOM

Techincal Specification:

SHAFT THREAD DIRECTION	RIGHT-HAND SECOND END, THIRD PORTION
THREAD LENGTH	0.250 INCHES NOMINAL SECOND END, THIRD PORTION
OVERALL LENGTH	3.260 INCHES MINIMUM AND
	3.270 INCHES MAXIMUM
SPECIAL FEATURES	SURFACE FINISH MIL-STD-171,SYSTEM 21.6 /COLOR BLACK/ NO.2710 OF FED-STD-595 FOR SECOND END SHAFT FACE
FSC APPLICATION DATA	QUADRANT,FIRE CONTROL
THE MANUFACTURERS DATA
MANUFACTURERS CODE	19200
DESIGN CONTROL REFERENCE	8642409
MATERIAL	STEEL
TEETH HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND
	35.0 ROCKWELL C MAXIMUM
SHAFT HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND
	35.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT	PASSIVATE
WORM THREAD QUANTITY	1
WORM PRESSURE ANGLE IN DEG	14.500
WORM THREAD LEAD	0.100 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM HELIX ANGLE	3 DEG 39 MIN
WORM OUTSIDE DIAMETER	0.558 INCHES MINIMUM AND
	0.563 INCHES MAXIMUM
WORM PITCH DIAMETER	0.499 INCHES MINIMUM AND
	0.500 INCHES MAXIMUM
WORM THREAD SECTION LENGTH	0.560 INCHES MINIMUM AND
	0.570 INCHES MAXIMUM
WORM BODY LENGTH	1.314 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
SHAFT LOCATION	BOTH ENDS OF WORM
END SIMILARITY	NOT IDENTICAL
STRAIGHT UNTHREADED LENGTH	0.094 INCHES NOMINAL FIRST END, FIRST PORTION
	0.394 INCHES NOMINAL FIRST END, SECOND PORTION
	0.650 INCHES NOMINAL SECOND END, FIRST PORTION
	0.234 INCHES NOMINAL SECOND END, SECOND PORTION
	1.078 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.310 INCHES MINIMUM FIRST END, FIRST PORTION
	0.320 INCHES MAXIMUM FIRST END, FIRST PORTION
	0.250 INCHES NOMINAL FIRST END, SECOND PORTION
	0.400 INCHES MINIMUM SECOND END, FIRST PORTION
	0.410 INCHES MAXIMUM SECOND END, FIRST PORTION
	0.315 INCHES NOMINAL SECOND END, SECOND PORTION
	0.250 INCHES NOMINAL SECOND END, FOURTH PORTION
UNTHREADED SECTION PIN HOLE DIAMETER	0.1090 INCHES NOMINAL SECOND END, FOURTH PORTION
SCREW THREAD SERIES DESIGNATOR	UNF SECOND END, THIRD PORTION

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