3040-01-248-6728, WORM SHAFT

National Stock Number:
3040-01-248-6728

Federal Supply Class:
3040

National Item Identification Number:
012486728

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:

112109	99145	EATON AEROSPACE LLC ED AND C WEST DIV
112109-1	17472	EATON AEROSPACE LLC
112109-1	99145	EATON AEROSPACE LLC ED AND C WEST DIV

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
MATERIAL	STEEL
PROPRIETARY CHARACTERISTICS	PACS
OVERALL LENGTH	2.860 INCHES NOMINAL
SHAFT LOCATION	BOTH ENDS OF WORM
SPECIAL FEATURES	2ND END,2ND PORTION HAS 2 WOODRUFF KEYWAYS W/SAME DIMENSIONS 0.600 IN. BETWEEN CENTERLINES
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	7 DEG 22 MIN
WORM OUTSIDE DIAMETER	0.550 INCHES NOMINAL
WORM PITCH DIAMETER	0.488 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG	14.500
WORM THREAD DIRECTION	RIGHT-HAND
WORM THREAD LEAD	0.198 INCHES NOMINAL
WORM THREAD QUANTITY	2
STRAIGHT UNTHREADED LENGTH	0.070 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	0.210 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH	0.820 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	1.120 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.248 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.248 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.320 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.320 INCHES NOMINAL SECOND END, FIRST PORTION
TEETH HARDNESS RATING	35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
UNTHREADED SECTION KEYWAY DEPTH	0.075 INCHES NOMINAL SECOND END, SECOND PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.0625 INCHES NOMINAL SECOND END, SECOND PORTION

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