PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68B418000-273Connecting Link,rigid

The Boeing Company Div Defense · NSN 3040-01-249-1520 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-249-1520 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-249-1520. Primary manufacturer part number: 68B418000-273.
Features
  • Connecting Link,rigid — FSC 3040
  • Link Style: TUBULAR SHANK
  • Material: ALUMINUM ALLOY
  • End Attachment Hole Diameter: 0.3125 INCHES NOMINAL FIRST END IN
  • End Attachment Style: EYE FIRST END
  • Body Diameter: 0.750 INCHES NOMINAL IN
  • End Attachment Width: 0.317 INCHES NOMINAL FIRST END IN
  • Body Construction: TUBULAR
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-01-249-1520, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 7 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-249-1520
Primary Part Number68B418000-273
Item NameConnecting Link,rigid
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Link StyleTUBULAR SHANK
MaterialALUMINUM ALLOY
End Attachment Hole Diameter0.3125 INCHES NOMINAL FIRST END IN
End Attachment StyleEYE FIRST END
Body Diameter0.750 INCHES NOMINAL IN
End Attachment Width0.317 INCHES NOMINAL FIRST END IN
Body ConstructionTUBULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3040-00-345-85714501-233 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
3040-01-249-15144501-269 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
3040-01-249-15154501-271-G INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
3040-01-249-15194501-267 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
Cross-Reference Index
Part NumberManufacturer
68B418000-273 PRIMARY The Boeing Company Div Defense (USA)
68B418000 The Boeing Company Div Defense (USA)
68B418000-273 Tyee Aircraft Inc Div Tyee Aircraft (USA)
4501-273 PRIMARY Tyee Aircraft Inc Div Tyee Aircraft (USA)
Related Parts
3040-00-345-8571INTERCHANGEABLE
CONNECTING LINK,RIGID
4501-233
3040-01-249-1514INTERCHANGEABLE
CONNECTING LINK,RIGID
4501-269
3040-01-249-1515INTERCHANGEABLE
CONNECTING LINK,RIGID
4501-271-G
3040-01-249-1519INTERCHANGEABLE
CONNECTING LINK,RIGID
4501-267

Frequently Asked Questions

What is NSN 3040-01-249-1520?

NSN 3040-01-249-1520 is a Connecting Link,rigid, manufactured by The Boeing Company Div Defense, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-249-1520?

NSN 3040-01-249-1520 has 4 cross-referenced part numbers: 68B418000-273 (The Boeing Company Div Defense), 68B418000 (The Boeing Company Div Defense), 68B418000-273 (Tyee Aircraft Inc Div Tyee Aircraft), 4501-273 (Tyee Aircraft Inc Div Tyee Aircraft).

What NSN replaces 3040-01-249-1520?

There are 4 known substitutes for 3040-01-249-1520: 3040-00-345-8571, 3040-01-249-1514, 3040-01-249-1515 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68B418000-273?

Key specifications for 68B418000-273: Link Style: TUBULAR SHANK; Material: ALUMINUM ALLOY; Special Features: KEYWAY IN BOTH END ATTACHMENTS; End Attachment Hole Diameter: 0.3125 INCHES NOMINAL FIRST END IN. 9 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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