Product Details | WORM SHAFT

3040-01-342-2491 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.

Part Alternates: 7400C250, 7400C-250, 7460C250, 3040-01-342-2491, 01-342-2491, 3040013422491, 013422491

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 17 JUL 1991 01-342-2491

Cross Reference | NSN 3040-01-342-2491

Part Number Cage Code Manufacturer
7400C-250 97674 CONE DRIVE OPERATIONS INC.
7460C250 97674 CONE DRIVE OPERATIONS INC.

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Technical Data | NSN 3040-01-342-2491

Characteristic Specifications
MATERIAL STEEL
TEETH HARDNESS RATING 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
WORM THREAD DIRECTION RIGHT-HAND
WORM OUTSIDE DIAMETER 2.270 INCHES NOMINAL
WORM BODY LENGTH 6.870 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END NOT PROVIDED
SHAFT LOCATION BOTH ENDS OF WORM
END SIMILARITY IDENTICAL
STRAIGHT UNTHREADED LENGTH 6.312 INCHES NOMINAL FIRST END 5.437 INCHES NOMINAL SECOND END
STRAIGHT UNTHREADED SECTION DIAMETER 1.499 INCHES NOMINAL BOTH ENDS
UNTHREADED SECTION KEYWAY DEPTH 3.500 INCHES NOMINAL FIRST END 2.750 INCHES NOMINAL SECOND END
OVERALL LENGTH 18.603 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 3040-01-342-2491

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 129920 SHAFTS/SHAFTING,FLEX NOI STL
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 593 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3040-01-342-2491

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each