PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

113946-1Shaft,shouldered

Fluor Marine Propulsion, Llc · NSN 3040-01-239-3684 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-239-3684 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-239-3684. Primary manufacturer part number: 113946-1.
Features
  • Shaft,shouldered — FSC 3040
  • Largest Step Diameter: 0.500 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • First End Style: PLAIN
  • Step Quantity: 3
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • First End Diameter: 0.3748 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-1638 FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-239-3684, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Fluor Marine Propulsion, Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-239-3684
Primary Part Number113946-1
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerFluor Marine Propulsion, Llc
StatusACTIVE
Largest Step Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
First End StylePLAIN
Step Quantity3
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
First End Diameter0.3748 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-1638 FED SPEC SINGLE MATERIAL RESPONSE
Criticality Code JustificationZZZY
End SimilarityNOT IDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-584-8964113946-1 INTERCHANGEABLE
Cap,tube
Triumph Engine Control Systems Llc
Cross-Reference Index
Part NumberManufacturer
113946-1 Fluor Marine Propulsion, Llc (USA)
947J060-81 Fluor Marine Propulsion, Llc (USA)
Related Parts
4730-01-584-8964INTERCHANGEABLE
CAP,TUBE
113946-1

Frequently Asked Questions

What is NSN 3040-01-239-3684?

NSN 3040-01-239-3684 is a Shaft,shouldered, manufactured by Fluor Marine Propulsion, Llc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-239-3684?

NSN 3040-01-239-3684 has 2 cross-referenced part numbers: 113946-1 (Fluor Marine Propulsion, Llc), 947J060-81 (Fluor Marine Propulsion, Llc).

What NSN replaces 3040-01-239-3684?

There is 1 known substitute for 3040-01-239-3684: 4730-01-584-8964. Verify interchangeability with system specifications before substitution.

What are the specifications of 113946-1?

Key specifications for 113946-1: Largest Step Diameter: 0.500 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; First End Style: PLAIN; Step Quantity: 3. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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