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FC9970 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

FC9970: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: MACHINE LOOP BOTH ENDS, design_type: CLOSED, hook_radius: 0.125 INCHES NOMINAL BOTH ENDS IN, load_rating: 35.00 POUNDS NOMINAL LBS, coil_quantity: 27-1/2. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-359-0934, 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
FC9970
NSN: 5360-00-359-0934
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleMACHINE LOOP BOTH ENDS
design_typeCLOSED
hook_radius0.125 INCHES NOMINAL BOTH ENDS IN
load_rating35.00 POUNDS NOMINAL LBS
coil_quantity27-1/2
opening_width1.156 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.328 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPHOSPHATE OVERALL
spring_free_length5.328 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
NSN5360-00-359-0934
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN FC9970 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
LOAD RATING: 35.00 POUNDS NOMINAL LBS
•
END STYLE: MACHINE LOOP BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
OPENING WIDTH: 1.156 INCHES NOMINAL BOTH ENDS IN
•
SPRING FREE LENGTH: 5.328 INCHES NOMINAL IN
•
COIL TO HOOK INSIDE LENGTH: 1.375 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
LOAD RATING35.00 POUNDS NOMINAL LBS
END STYLEMACHINE LOOP BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
OPENING WIDTH1.156 INCHES NOMINAL BOTH ENDS IN
SPRING FREE LENGTH5.328 INCHES NOMINAL IN
COIL TO HOOK INSIDE LENGTH1.375 INCHES NOMINAL BOTH ENDS IN
INSIDE DIAMETER0.328 INCHES NOMINAL IN
SPRING LENGTH UNDER LOAD5.875 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
236220Reference 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 FC9970?
FC9970 is a SPRING,HELICAL,EXTENSION.
What parts can replace FC9970?
There is 1 known substitute for FC9970: 236220. Substitute compatibility should be verified for your specific system.
What is the NSN for FC9970?
FC9970 is cataloged in the U.S. Government catalog under NSN 5360-00-359-0934. 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.