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9654K245 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9654K245: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K06501 OVERALL, end_style: MACHINE LOOP BOTH ENDS, design_type: MAINSPRING, stock_diameter: 0.072 INCHES NOMINAL IN, inside_diameter: 0.545 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-479-7753, 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
9654K245
NSN: 5360-01-479-7753
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL UNS K06501 OVERALL
end_styleMACHINE LOOP BOTH ENDS
design_typeMAINSPRING
stock_diameter0.072 INCHES NOMINAL IN
inside_diameter0.545 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentZINC OVERALL
spring_free_length5.000 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate0.310 POUNDS PER INCH NOMINAL LBS
end_item_identificationACCELERATOR PEDAL INSTL
spring_free_outside_diameter0.688 INCHES NOMINAL IN
NSN5360-01-479-7753
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 9654K245 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
END STYLE: MACHINE LOOP BOTH ENDS
•
DESIGN TYPE: MAINSPRING
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA227 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 5.000 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 0.310 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.545 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.688 INCHES NOMINAL IN
END STYLEMACHINE LOOP BOTH ENDS
DESIGN TYPEMAINSPRING
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA227 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH5.000 INCHES NOMINAL IN
SPRING DEFLECTION RATE0.310 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.545 INCHES NOMINAL IN
STOCK DIAMETER0.072 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
3468AS400Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
3468AS400-24Reference 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 9654K245?
9654K245 is a SPRING,HELICAL,EXTENSION.
What parts can replace 9654K245?
There are 2 known substitutes for 9654K245: 3468AS400, 3468AS400-24. Substitute compatibility should be verified for your specific system.
What is the NSN for 9654K245?
9654K245 is cataloged in the U.S. Government catalog under NSN 5360-01-479-7753. 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.