3040-00-382-1756 WORM SHAFT Index 1240-00-382-1758 DAMPER ASSY

National Stock Number:
3040-00-382-1757

Federal Supply Class:
3040

National Item Identification Number:
003821757

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:
116889410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
2319121587OPTICAL TECHNOLOGY DEVICES INC


Techincal Specification:
END SIMILARITYNOT IDENTICAL
OVERALL LENGTH4.312 INCHES NOMINAL
MATERIALCOPPER ALLOY
SHAFT LOCATIONBOTH ENDS OF WORM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE4 DEG 48 MIN 42 SEC
WORM OUTSIDE DIAMETER1.072 INCHES MINIMUM AND 1.073 INCHES MAXIMUM
WORM PRESSURE ANGLE IN DEG20.000
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.262 INCHES NOMINAL
WORM THREAD QUANTITY2
WORM THREAD SECTION LENGTH0.750 INCHES NOMINAL


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