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Technical Data Sheet
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409771 — 409771

✓ Government record, cited
Legrand · COMPONENT
PRODUCT OVERVIEW

409771: 409771.

Breaking capacity: 25 kA - IEC 60947-2 - 400 V~ Can be equipped with DX³ signalling and remote tripping auxiliaries and motorised controls. Key specifications include end_item_identification: TDK-39 AND TDK-39A, TOW TARGET ASSEMBLY. A.

This part is cataloged in the U.S. Government catalog under NSN 5360-00-695-4800, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
409771
NSN: 5360-00-695-4800
NIINs: 006954800, 015874673
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
end_item_identificationTDK-39 AND TDK-39A, TOW TARGET ASSEMBLY. A
NSN5360-00-695-4800
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand 409771 TITLE COMPONENT PN 409771 MFR Legrand 409771
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 1.445 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.313 INCHES NOMINAL IN
•
COIL QUANTITY: 27
•
SURFACE TREATMENT: TIN OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
END STYLESHORT TWISTED HOOK BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH1.445 INCHES NOMINAL IN
INSIDE DIAMETER0.313 INCHES NOMINAL IN
COIL QUANTITY27
SURFACE TREATMENTTIN OVERALL
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL UNS K08500 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
804.0038Reference document
Same NSN cross-reference
Reference document — Secondary reference
150A366Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 409771?
409771 is a 409771 manufactured by Legrand.
What parts can replace 409771?
There are 2 known substitutes for 409771: 804.0038, 150A366. Substitute compatibility should be verified for your specific system.
What is the NSN for 409771?
409771 is cataloged in the U.S. Government catalog under NSN 5360-00-695-4800. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.