Product Details | SHOULDERED SHAFT

3040-01-121-0629 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: 6L2166, 3040-01-121-0629, 01-121-0629, 3040011210629, 011210629

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 30 OCT 1981 01-121-0629

Drawings & Photos | NSN 3040-01-121-0629


Demand History | NSN 3040-01-121-0629

Part Number Request Date QTY Origin
3040-01-121-0629 2012-12-337 1 US

Cross Reference | NSN 3040-01-121-0629

Part Number Cage Code Manufacturer
6L2166 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 3040-01-121-0629

Characteristic Specifications
MATERIAL STEEL
FIRST END STYLE 3 FLAT KEYWAY
FIRST END KEYWAY WIDTH 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
FIRST END EXTERNAL KEYWAY LENGTH 2.750 INCHES NOMINAL
FIRST END KEYWAY DEPTH 0.130 INCHES MINIMUM AND 0.136 INCHES MAXIMUM
FIRST END DIAMETER 1.2450 INCHES MINIMUM AND 1.2460 INCHES MAXIMUM
END SIMILARITY NOT IDENTICAL
SECOND END STYLE 1 PLAIN
SECOND END DIAMETER 1.2450 INCHES MINIMUM AND 1.2460 INCHES MAXIMUM
LARGEST STEP DIAMETER 3.380 INCHES NOMINAL
OVERALL LENGTH 10.540 INCHES NOMINAL
STEP QUANTITY 4
III END ITEM IDENTIFICATION SHIPS SERVICE GENERATOR DIESEL ENGINES,CATERPILLAR MODEL D-398-TA ONBOARD 270 FT WMEC C.G. VESSELS
MANUFACTURERS CODE 11083
DESIGN CONTROL REFERENCE 6L2166

Restrictions/Controls & Freight Information | NSN 3040-01-121-0629

Category Code Description
Shelf-Life Code:S60 months
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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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
No Freight Information