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4D1605 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4D1605: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, design_type: CLOSED, hook_radius: 1.155 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 20, inside_diameter: 2.310 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-963-6348, 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
4D1605
NSN: 5360-00-963-6348
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
design_typeCLOSED
hook_radius1.155 INCHES NOMINAL BOTH ENDS IN
coil_quantity20
inside_diameter2.310 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length9.722 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate46.360 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter2.972 INCHES NOMINAL IN
NSN5360-00-963-6348
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 4D1605 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 2.972 INCHES NOMINAL IN
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 9.722 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 46.360 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 2.310 INCHES NOMINAL IN
•
COIL QUANTITY: 20
•
COIL HELIX DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER2.972 INCHES NOMINAL IN
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH9.722 INCHES NOMINAL IN
SPRING DEFLECTION RATE46.360 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER2.310 INCHES NOMINAL IN
COIL QUANTITY20
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
HOOK RADIUS1.155 INCHES NOMINAL BOTH ENDS IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4D1605?
4D1605 is a SPRING,HELICAL,EXTENSION.
What is the NSN for 4D1605?
4D1605 is cataloged in the U.S. Government catalog under NSN 5360-00-963-6348. 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.