Product Details | SHOULDERED SHAFT

3040-00-679-3174 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: 552898, 7703675, 3040-00-679-3174, 00-679-3174, 3040006793174, 006793174

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-679-3174

Drawings & Photos | NSN 3040-00-679-3174


Cross Reference | NSN 3040-00-679-3174

Part Number Cage Code Manufacturer
552898 02978 L-3 COMMUNICATIONS CORPORATION DBA COMBAT PROPULSION SYSTEMS
7703675 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3040-00-679-3174

Characteristic Specifications
MATERIAL STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140
FIRST END STYLE 18 SPLINED
FIRST END DIAMETER 0.7380 INCHES MINIMUM AND 0.7430 INCHES MAXIMUM
FIRST END SPLINE LENGTH 0.9400 INCHES NOMINAL
FIRST END SPLINE MINOR DIAMETER 0.5900 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM
FIRST END SPLINE MAJOR DIAMETER 0.7380 INCHES MINIMUM AND 0.7430 INCHES MAXIMUM
FIRST END PITCH DIAMETER 0.7000 INCHES NOMINAL
FIRST END PRESSURE ANGLE 30.0 DEGREES NOMINAL
FIRST END SPLINE QUANTITY 14
END SIMILARITY IDENTICAL
OVERALL LENGTH 8.250 INCHES NOMINAL
STEP QUANTITY 2
MANUFACTURERS CODE 02978
DESIGN CONTROL REFERENCE 552898

Restrictions/Controls & Freight Information | NSN 3040-00-679-3174

Category Code Description
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.
Precious Metals Indicator Code:UPrecious metal type is unknown
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 S
Less than car load rating M 85
Less than truck load rating M 85.0
Water commodity Code 593 unknown
Originating Activity Code XX
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