PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

704-5940676 ITEM 23Connecting Link,rigid

Naval Sea Systems Command · NSN 3040-01-278-3701 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-278-3701 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-278-3701. Primary manufacturer part number: 704-5940676 ITEM 23.
Features
  • Connecting Link,rigid — FSC 3040
  • Body Construction: SOLID
  • Material: NICKEL ALLOY
  • Body Diameter: 2.000 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Applications requiring Nickel Alloy construction
General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-01-278-3701, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-278-3701
Primary Part Number704-5940676 ITEM 23
Item NameConnecting Link,rigid
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Body ConstructionSOLID
MaterialNICKEL ALLOY
Body Diameter2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-006-2250MS17828-12C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3040-01-278-3700704-5940676 ITEM 25 INTERCHANGEABLE
Connecting Link,rigid
Naval Sea Systems Command
3040-01-278-3702704-5940676 ITEM 24 INTERCHANGEABLE
Connecting Link,rigid
Naval Sea Systems Command
3040-01-278-3703704-5940676 ITEM 21 INTERCHANGEABLE
Connecting Link,rigid
Naval Sea Systems Command
3040-01-278-3704704-5940676 ITEM 22 INTERCHANGEABLE
Connecting Link,rigid
Naval Sea Systems Command
3040-01-278-5515704-5940676 ITEM 3 INTERCHANGEABLE
Collar,shaft
Naval Sea Systems Command
3040-01-278-5516704-5940676 ITEM 4 INTERCHANGEABLE
Collar,shaft
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
704-5940676 ITEM 23 PRIMARY Naval Sea Systems Command (USA)
704-5940676 Naval Sea Systems Command (USA)
1507-104 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
1507-104 ITEM 23 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Related Parts
5310-00-006-2250INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17828-12C
3040-01-278-3700INTERCHANGEABLE
CONNECTING LINK,RIGID
704-5940676 ITEM 25
3040-01-278-3702INTERCHANGEABLE
CONNECTING LINK,RIGID
704-5940676 ITEM 24
3040-01-278-3703INTERCHANGEABLE
CONNECTING LINK,RIGID
704-5940676 ITEM 21
3040-01-278-3704INTERCHANGEABLE
CONNECTING LINK,RIGID
704-5940676 ITEM 22
3040-01-278-5515INTERCHANGEABLE
COLLAR,SHAFT
704-5940676 ITEM 3
3040-01-278-5516INTERCHANGEABLE
COLLAR,SHAFT
704-5940676 ITEM 4

Frequently Asked Questions

What is NSN 3040-01-278-3701?

NSN 3040-01-278-3701 is a Connecting Link,rigid, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-278-3701?

NSN 3040-01-278-3701 has 4 cross-referenced part numbers: 704-5940676 ITEM 23 (Naval Sea Systems Command), 704-5940676 (Naval Sea Systems Command), 1507-104 (Huntington Ingalls Inc Div Newport News Shipbuilding), 1507-104 ITEM 23 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What NSN replaces 3040-01-278-3701?

There are 7 known substitutes for 3040-01-278-3701: 5310-00-006-2250, 3040-01-278-3700, 3040-01-278-3702 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 704-5940676 ITEM 23?

Key specifications for 704-5940676 ITEM 23: Body Construction: SOLID; Material: NICKEL ALLOY; Special Features: 4 STEPS;SECOND END EXTERNAL THD 3.375-8UN-2A X 1.125 IN. LG;INTERNAL HOLE 2.002 IN. DIA X 2.190 IN. LG A; Body Diameter: 2.000 INCHES NOMINAL IN. 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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