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9657K437 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9657K437: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,GROUND BOTH ENDS, load_rating: 28.4 POUNDS NOMINAL LBS, stock_diameter: 0.085 INCHES NOMINAL IN, inside_diameter: 0.55 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-691-6725, 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
9657K437
NSN: 5360-01-691-6725
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,GROUND BOTH ENDS
load_rating28.4 POUNDS NOMINAL LBS
stock_diameter0.085 INCHES NOMINAL IN
inside_diameter0.55 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentZINC OVERALL
spring_free_length3.0 INCHES NOMINAL IN
spring_solid_length1.12 INCHES NOMINAL IN
spring_free_outside_diameter0.72 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCOMPRESSION SPRING
NSN5360-01-691-6725
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 9657K437 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.72 INCHES NOMINAL IN
•
LOAD RATING: 28.4 POUNDS NOMINAL LBS
•
END STYLE: SPRING END,GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 1.12 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 3.0 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.55 INCHES NOMINAL IN
•
STOCK DIAMETER: 0.085 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.72 INCHES NOMINAL IN
LOAD RATING28.4 POUNDS NOMINAL LBS
END STYLESPRING END,GROUND BOTH ENDS
SPRING SOLID LENGTH1.12 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH3.0 INCHES NOMINAL IN
INSIDE DIAMETER0.55 INCHES NOMINAL IN
STOCK DIAMETER0.085 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYCOMPRESSION SPRING
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9657K437?
9657K437 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 9657K437?
9657K437 is cataloged in the U.S. Government catalog under NSN 5360-01-691-6725. 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.