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S438A411H05 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S438A411H05: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SHORT TWISTED HOOK FIRST END, design_type: CLOSED, hook_radius: 0.250 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 50-1/2, inside_diameter: 0.546 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-072-8402, 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
S438A411H05
NSN: 5360-00-072-8402
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSHORT TWISTED HOOK FIRST END
design_typeCLOSED
hook_radius0.250 INCHES NOMINAL BOTH ENDS IN
coil_quantity50-1/2
inside_diameter0.546 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length7.704 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
coil_to_hook_inside_length1.625 INCHES NOMINAL SECOND END IN
spring_free_outside_diameter0.750 INCHES NOMINAL IN
NSN5360-00-072-8402
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN S438A411H05 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
END STYLE: SHORT TWISTED HOOK FIRST END
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 7.704 INCHES NOMINAL IN
•
COIL TO HOOK INSIDE LENGTH: 0.500 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
END STYLESHORT TWISTED HOOK FIRST END
END STYLEHAND LOOP SECOND END
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH7.704 INCHES NOMINAL IN
COIL TO HOOK INSIDE LENGTH0.500 INCHES NOMINAL FIRST END IN
COIL TO HOOK INSIDE LENGTH1.625 INCHES NOMINAL SECOND END IN
INSIDE DIAMETER0.546 INCHES NOMINAL IN
COIL QUANTITY50-1/2
OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 S438A411H05?
S438A411H05 is a SPRING,HELICAL,EXTENSION.
What is the NSN for S438A411H05?
S438A411H05 is cataloged in the U.S. Government catalog under NSN 5360-00-072-8402. 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.