3040-00-795-6679, WORM SHAFT

National Stock Number:
3040-00-795-6679

Federal Supply Class:
3040

National Item Identification Number:
007956679

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:

9136612	06983	ZAGORA GEAR PRODUCTS INC
9136612	10522	WASHINGTON SCIENTIFIC INDUSTRIES INC
9136612	18876	U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

MATERIAL	STEEL
WORM THREAD QUANTITY	3
WORM PRESSURE ANGLE IN DEG	20.000
WORM THREAD LEAD	0.308 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM HELIX ANGLE	72 DEG 59 MIN
WORM OUTSIDE DIAMETER	0.379 INCHES NOMINAL
WORM PITCH DIAMETER	0.320 INCHES NOMINAL
WORM THREAD SECTION LENGTH	0.625 INCHES NOMINAL
WORM BODY LENGTH	0.625 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
SHAFT LOCATION	BOTH ENDS OF WORM
END SIMILARITY	NOT IDENTICAL
STRAIGHT UNTHREADED LENGTH	0.188 INCHES NOMINAL FIRST END, FIRST PORTION
	0.196 INCHES NOMINAL FIRST END, SECOND PORTION
	0.281 INCHES NOMINAL FIRST END, THIRD PORTION
	0.187 INCHES NOMINAL SECOND END, FIRST PORTION
	0.194 INCHES NOMINAL SECOND END, SECOND PORTION
	0.454 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.230 INCHES NOMINAL FIRST END, FIRST PORTION
	0.187 INCHES NOMINAL FIRST END, SECOND PORTION
	0.156 INCHES NOMINAL FIRST END, THIRD PORTION
	0.230 INCHES NOMINAL SECOND END, FIRST PORTION
	0.187 INCHES NOMINAL SECOND END, SECOND PORTION
	0.125 INCHES NOMINAL SECOND END, THIRD PORTION
OVERALL LENGTH	2.125 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE	18876
DESIGN CONTROL REFERENCE	9136612

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