3040-01-436-0902, WORM SHAFT

National Stock Number:
3040-01-436-0902

Federal Supply Class:
3040

National Item Identification Number:
014360902

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:

1741AS124	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
1741AS124-1	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
DW0170L-14	15330	IMO INDUSTRIES INC DELROYD WORM GEAR DIV
WB16996	15330	IMO INDUSTRIES INC DELROYD WORM GEAR DIV

Techincal Specification:

MATERIAL	STEEL
TEETH HARDNESS RATING	58.0 ROCKWELL C MINIMUM AND
	62.0 ROCKWELL C MAXIMUM
SHAFT HARDNESS RATING	58.0 ROCKWELL C MINIMUM AND
	62.0 ROCKWELL C MAXIMUM
WORM THREAD QUANTITY	1
WORM PRESSURE ANGLE IN DEG	22.500
WORM THREAD LEAD	0.7666 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM HELIX ANGLE	22DEG 59 MIN
WORM OUTSIDE DIAMETER	3.4040 INCHES NOMINAL
WORM PITCH DIAMETER	2.918 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
SHAFT LOCATION	BOTH ENDS OF WORM
END SIMILARITY	NOT IDENTICAL
STRAIGHT UNTHREADED LENGTH	1.2500 INCHES NOMINAL FIRST END, SECOND PORTION
	2.2500 INCHES NOMINAL SECOND END, SECOND PORTION
	1.9380 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	2.9540 INCHES NOMINAL FIRST END, SECOND PORTION
	3.3480 INCHES NOMINAL SECOND END, SECOND PORTION
	1.2500 INCHES NOMINAL SECOND END, THIRD PORTION
UNTHREADED SECTION KEYWAY WIDTH	0.2500 INCHES NOMINAL SECOND END, THIRD PORTION
UNTHREADED SECTION KEYWAY DEPTH	0.1450 INCHES NOMINAL SECOND END, THIRD PORTION
TAPER LENGTH	2.8750 INCHES NOMINAL FIRST END, FIRST PORTION
	3.2500 INCHES NOMINAL SECOND END, FIRST PORTION
TAPER LARGEST DIAMETER	3.5000 INCHES NOMINAL FIRST END, FIRST PORTION
	4.6250 INCHES NOMINAL SECOND END, FIRST PORTION
OVERALL LENGTH	18.3120 INCHES NOMINAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	30003
MFR SOURCE CONTROLLING REFERENCE	1741AS124

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