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9657K56 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9657K56: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND OVERALL, stock_diameter: 0.028 INCHES NOMINAL IN, style_designator: CYLINDRICAL, support_load_rating: 5.72 LBS LBS, coil_helix_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-488-3944, 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
9657K56
NSN: 5360-01-488-3944
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND OVERALL
stock_diameter0.028 INCHES NOMINAL IN
style_designatorCYLINDRICAL
support_load_rating5.72 LBS LBS
coil_helix_directionRIGHT-HAND
spring_deflection_rate0.340 POUNDS PER INCH NOMINAL LBS
end_item_identificationFIGHTER SUPPORT AIRCRAFT (F/A-18)
spring_length_under_load0.660 INCHES NOMINAL IN
criticality_code_justificationAGAV
NSN5360-01-488-3944
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 9657K56 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
END STYLE: SPRING END,SQUARED AND GROUND OVERALL
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING DEFLECTION RATE: 0.340 POUNDS PER INCH NOMINAL LBS
•
STOCK DIAMETER: 0.028 INCHES NOMINAL IN
•
SPRING LENGTH UNDER LOAD: 0.660 INCHES NOMINAL IN
•
SUPPORT LOAD RATING: 5.72 LBS LBS
TECHNICAL CHARACTERISTICS
END STYLESPRING END,SQUARED AND GROUND OVERALL
CRITICALITY CODE JUSTIFICATIONAGAV
STYLE DESIGNATORCYLINDRICAL
SPRING DEFLECTION RATE0.340 POUNDS PER INCH NOMINAL LBS
STOCK DIAMETER0.028 INCHES NOMINAL IN
SPRING LENGTH UNDER LOAD0.660 INCHES NOMINAL IN
END ITEM IDENTIFICATIONFIGHTER SUPPORT AIRCRAFT (F/A-18)
SUPPORT LOAD RATING5.72 LBS LBS
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9657K56?
9657K56 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 9657K56?
9657K56 is cataloged in the U.S. Government catalog under NSN 5360-01-488-3944. 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.