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56379301 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

56379301: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: FULL LOOP BOTH ENDS, design_type: CLOSED, hook_radius: 0.133 INCHES NOMINAL BOTH ENDS IN, inside_diameter: 0.265 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-168-4584, 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
56379301
NSN: 5360-01-168-4584
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 00580 — NILFISK, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleFULL LOOP BOTH ENDS
design_typeCLOSED
hook_radius0.133 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.265 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length3.735 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter0.375 INCHES NOMINAL IN
NSN5360-01-168-4584
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 56379301 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
END STYLE: FULL LOOP BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 3.735 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.265 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
END STYLEFULL LOOP BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH3.735 INCHES NOMINAL IN
INSIDE DIAMETER0.265 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL OVERALL
HOOK RADIUS0.133 INCHES NOMINAL BOTH ENDS IN
SUBSTITUTES & CROSS-REFERENCES 2
379301Reference document
Same NSN cross-reference
Reference document — Secondary reference
34D423G030DDReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 56379301?
56379301 is a SPRING,HELICAL,EXTENSION.
What parts can replace 56379301?
There are 2 known substitutes for 56379301: 379301, 34D423G030DD. Substitute compatibility should be verified for your specific system.
What is the NSN for 56379301?
56379301 is cataloged in the U.S. Government catalog under NSN 5360-01-168-4584. 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.