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4566ITEM5D — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4566ITEM5D: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_style: MACHINED HALF LOOP BOTH ENDS, design_type: CLOSED, hook_radius: 0.176 INCHES NOMINAL BOTH ENDS IN, load_rating: 3.760 POUNDS NOMINAL LBS, coil_quantity: 20. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-312-3396, 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
4566ITEM5D
NSN: 5360-00-312-3396
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 15605 — EATON CORP OPNS & TECHNICAL CENTER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleMACHINED HALF LOOP BOTH ENDS
design_typeCLOSED
hook_radius0.176 INCHES NOMINAL BOTH ENDS IN
load_rating3.760 POUNDS NOMINAL LBS
coil_quantity20
opening_width0.125 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.352 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length1.874 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate7.700 POUNDS PER INCH NOMINAL LBS
NSN5360-00-312-3396
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 4566ITEM5D MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.460 INCHES NOMINAL IN
•
LOAD RATING: 3.760 POUNDS NOMINAL LBS
•
END STYLE: MACHINED HALF LOOP BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
OPENING WIDTH: 0.125 INCHES NOMINAL BOTH ENDS IN
•
SPRING FREE LENGTH: 1.874 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 7.700 POUNDS PER INCH NOMINAL LBS
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.460 INCHES NOMINAL IN
LOAD RATING3.760 POUNDS NOMINAL LBS
END STYLEMACHINED HALF LOOP BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
OPENING WIDTH0.125 INCHES NOMINAL BOTH ENDS IN
SPRING FREE LENGTH1.874 INCHES NOMINAL IN
SPRING DEFLECTION RATE7.700 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.352 INCHES NOMINAL IN
SPRING LENGTH UNDER LOAD2.000 INCHES NOMINAL 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 9
83625W1ITEM4DReference document
Same NSN cross-reference
Reference document — Secondary reference
83433W1ITEM3DReference document
Same NSN cross-reference
Reference document — Secondary reference
81624W1ITEM11Reference document
Same NSN cross-reference
Reference document — Secondary reference
85266W1ITEM7DReference document
Same NSN cross-reference
Reference document — Secondary reference
4810ITEM4DReference document
Same NSN cross-reference
Reference document — Secondary reference
87396W1ITEM7Reference document
Same NSN cross-reference
Reference document — Secondary 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 4566ITEM5D?
4566ITEM5D is a SPRING,HELICAL,EXTENSION.
What parts can replace 4566ITEM5D?
There are 9 known substitutes for 4566ITEM5D: 83625W1ITEM4D, 83433W1ITEM3D, 81624W1ITEM11 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4566ITEM5D?
4566ITEM5D is cataloged in the U.S. Government catalog under NSN 5360-00-312-3396. 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.