PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18004-7Shaft,shouldered

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 3040-01-314-7804 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-314-7804 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-314-7804. Primary manufacturer part number: 18004-7.
Features
  • Shaft,shouldered — FSC 3040
  • Second End Groove Width: 0.0450 INCHES NOMINAL IN
  • Second End Groove Diameter: 0.4680 INCHES NOMINAL IN
  • First End Style: PLAIN
  • Step Quantity: 3
  • Second End Diameter: 0.4995 INCHES NOMINAL IN
  • Largest Step Diameter: 0.600 INCHES NOMINAL IN
  • Second End Style: CIRCULAR GROOVED
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-314-7804, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 11 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-314-7804
Primary Part Number18004-7
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
Second End Groove Width0.0450 INCHES NOMINAL IN
Second End Groove Diameter0.4680 INCHES NOMINAL IN
First End StylePLAIN
Step Quantity3
Second End Diameter0.4995 INCHES NOMINAL IN
Largest Step Diameter0.600 INCHES NOMINAL IN
Second End StyleCIRCULAR GROOVED
MaterialSTEEL CORROSION RESISTING
End SimilarityNOT IDENTICAL
Second End Distance From End to Groove0.065 INCHES NOMINAL IN
First End Diameter0.6000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5133-00-189-9249 INTERCHANGEABLE
Drill,twist
4730-00-374-3440 INTERCHANGEABLE
Tailpiece,union
5910-01-144-9860503D108M050QF INTERCHANGEABLE
Capacitor,fixed,electrolytic
Sprague Electric Co World Hqs
3040-01-292-429218004 INTERCHANGEABLE
Brake Band and Lining
Lake Shore Systems, Inc.
3010-01-314-438018004-1 INTERCHANGEABLE
Coupling,shaft,rigid
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
3040-01-314-780518004-8 INTERCHANGEABLE
Shaft,shouldered
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
3950-01-330-885818004-4 INTERCHANGEABLE
Slider Assembly
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
5130-01-681-9579180.047 INTERCHANGEABLE
Hammer,pneumatic,portable
Desco Manufacturing Company Div Desco Manufacturing Co. Inc.
1005-01-692-635913101238-2 INTERCHANGEABLE
Objective Flip Cover
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5340-01-732-937218004 INTERCHANGEABLE
Plate,mending
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
Cross-Reference Index
Part NumberManufacturer
18004 United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
18004-7 PRIMARY United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
5133-00-189-9249INTERCHANGEABLE
DRILL,TWIST
4730-00-374-3440INTERCHANGEABLE
TAILPIECE,UNION
5910-01-144-9860INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
503D108M050QF
3040-01-292-4292INTERCHANGEABLE
BRAKE BAND AND LINING
18004
3010-01-314-4380INTERCHANGEABLE
COUPLING,SHAFT,RIGID
18004-1
3040-01-314-7805INTERCHANGEABLE
SHAFT,SHOULDERED
18004-8
3950-01-330-8858INTERCHANGEABLE
SLIDER ASSEMBLY
18004-4
5130-01-681-9579INTERCHANGEABLE
HAMMER,PNEUMATIC,PORTABLE
180.047
1005-01-692-6359INTERCHANGEABLE
OBJECTIVE FLIP COVER
13101238-2
5340-01-732-9372INTERCHANGEABLE
PLATE,MENDING
18004

Frequently Asked Questions

What is NSN 3040-01-314-7804?

NSN 3040-01-314-7804 is a Shaft,shouldered, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-314-7804?

NSN 3040-01-314-7804 has 2 cross-referenced part numbers: 18004 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 18004-7 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).

What NSN replaces 3040-01-314-7804?

There are 10 known substitutes for 3040-01-314-7804: 5133-00-189-9249, 4730-00-374-3440, 5910-01-144-9860 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18004-7?

Key specifications for 18004-7: Second End Groove Width: 0.0450 INCHES NOMINAL IN; Second End Groove Diameter: 0.4680 INCHES NOMINAL IN; First End Style: PLAIN; Step Quantity: 3. 12 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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