PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20425Connecting Link,rigid

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 3040-01-340-0051 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-340-0051 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-340-0051. Primary manufacturer part number: 20425.
Features
  • Connecting Link,rigid — FSC 3040
  • Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
  • Material: COPPER ALLOY
  • Body Thickness: 0.485 INCHES NOMINAL IN
  • Body Construction: SOLID
  • 3 verified cross-references
  • Primary manufacturer: United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Applications
  • Applications requiring Copper Alloy construction
General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-01-340-0051, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN3040-01-340-0051
Primary Part Number20425
Item NameConnecting Link,rigid
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
Reference Number Differentiating CharacteristicsMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
MaterialCOPPER ALLOY
Body Thickness0.485 INCHES NOMINAL IN
Body ConstructionSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-262-473420-425 INTERCHANGEABLE
Washer,flat
Dresser Industries Inc Leroi Div
5340-00-456-5601 INTERCHANGEABLE
Boot,dust and Moisture Seal
5330-00-757-342820425 INTERCHANGEABLE
Packing Material
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5935-00-763-8086 INTERCHANGEABLE
Backshell,electrical Connector
5935-00-894-8376 INTERCHANGEABLE
Connector,receptacle,electrical
3655-00-981-1030 INTERCHANGEABLE
Valve Drain
5905-00-984-2785 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
6505-01-040-9685NDC00469-2204-25 INTERCHANGEABLE
Lidocaine Hydrochloride Injectio
Astellas Pharma Us, Inc.
5330-01-096-371220425 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5342-01-374-689031068 INTERCHANGEABLE
Palm,hinge Lock Ass
Little Giant Ladder Systems, Llc
Cross-Reference Index
Part NumberManufacturer
20425 United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
6744060 Naval Sea Systems Command (USA)
20425VM Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5310-00-262-4734INTERCHANGEABLE
WASHER,FLAT
20-425
5340-00-456-5601INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5330-00-757-3428INTERCHANGEABLE
PACKING MATERIAL
20425
5935-00-763-8086INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-00-894-8376INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3655-00-981-1030INTERCHANGEABLE
VALVE DRAIN
5905-00-984-2785INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
6505-01-040-9685INTERCHANGEABLE
LIDOCAINE HYDROCHLORIDE INJECTIO
NDC00469-2204-25
5330-01-096-3712INTERCHANGEABLE
GASKET
20425
5342-01-374-6890INTERCHANGEABLE
PALM,HINGE LOCK ASS
31068

Frequently Asked Questions

What is NSN 3040-01-340-0051?

NSN 3040-01-340-0051 is a Connecting Link,rigid, 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 3040-01-340-0051?

NSN 3040-01-340-0051 has 3 cross-referenced part numbers: 20425 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 6744060 (Naval Sea Systems Command), 20425VM (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 3040-01-340-0051?

There are 10 known substitutes for 3040-01-340-0051: 5310-00-262-4734, 5340-00-456-5601, 5330-00-757-3428 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20425?

Key specifications for 20425: Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION; Material: COPPER ALLOY; Body Thickness: 0.485 INCHES NOMINAL IN; Body Construction: SOLID. 5 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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