Product Details | SHOULDERED SHAFT

3040-01-426-4985 A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.

Part Alternates: 593-6960883 PC 1, 5936960883PC1, 6960883, 3040-01-426-4985, 01-426-4985, 3040014264985, 014264985

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 13 MAR 1996 01-426-4985

Drawings & Photos | NSN 3040-01-426-4985


Demand History | NSN 3040-01-426-4985

Part Number Request Date QTY Origin
3040-01-426-4985 2025-04-103 2 DIBBS
3040-01-426-4985 2017-11-334 2 DIBBS
3040-01-426-4985 2017-10-277 1 DIBBS
3040-01-426-4985 2017-09-255 1 DIBBS
3040-01-426-4985 2017-06-180 2 DIBBS

Cross Reference | NSN 3040-01-426-4985

Part Number Cage Code Manufacturer
593-6960883 PC 1 53711 NAVAL SEA SYSTEMS COMMAND
6960883 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 3040-01-426-4985

Characteristic Specifications
MATERIAL STEEL
SURFACE FINISH 10.0 MICROINCHES
FIRST END STYLE 41 CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED
FIRST END GROOVE WIDTH 0.1250 INCHES MINIMUM AND 0.1410 INCHES MAXIMUM
FIRST END GROOVE DIAMETER 1.4770 INCHES MINIMUM AND 1.4790 INCHES MAXIMUM
FIRST END DISTANCE FROM END TO GROOVE 0.5940 INCHES MINIMUM AND 0.5990 INCHES MAXIMUM
FIRST END KEYWAY WIDTH 0.3120 INCHES MINIMUM AND 0.3280 INCHES MAXIMUM
FIRST END EXTERNAL KEYWAY LENGTH 0.8500 INCHES MINIMUM AND 0.8700 INCHES MAXIMUM
FIRST END KEYWAY DEPTH 0.1560 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM
FIRST END DIAMETER 1.5548 INCHES MINIMUM AND 1.5830 INCHES MAXIMUM
FIRST END EXTERNAL THREAD LENGTH 0.5940 INCHES MINIMUM AND 0.5990 INCHES MAXIMUM
END SIMILARITY NOT IDENTICAL
SECOND END STYLE 61 TWO FLAT KEYWAYS
SECOND END KEYWAY WIDTH 0.4380 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM
SECOND END EXTERNAL KEYWAY LENGTH 2.7500 INCHES NOMINAL
SECOND END KEYWAY DEPTH 0.2190 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM
SECOND END DIAMETER 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM
SECOND END ANGLE BETWEEN KEYWAYS 89.9 DEGREES MINIMUM AND 90.0 DEGREES MAXIMUM
LARGEST STEP DIAMETER 2.4970 INCHES MINIMUM AND 2.5030 INCHES MAXIMUM
OVERALL LENGTH 26.500 INCHES NOMINAL
STEP QUANTITY 5
III END ITEM IDENTIFICATION NIMITZ CLASS (CVN)

Restrictions/Controls & Freight Information | NSN 3040-01-426-4985

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 126900 POWER TRANS SHAFTING/SHAFTS
Less than car load rating
Less than truck load rating W Rating Variable
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 3040-01-426-4985

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