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9659K43 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9659K43: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, load_rating: 35.00 POUNDS NOMINAL LBS, inside_diameter: 0.790 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: ZINC OVERALL, spring_free_length: 8.710 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-466-5716, 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
9659K43
NSN: 5360-01-466-5716
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
load_rating35.00 POUNDS NOMINAL LBS
inside_diameter0.790 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentZINC OVERALL
spring_free_length8.710 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND OR RIGHT-HAND
spring_deflection_rate6.000 POUNDS PER INCH NOMINAL LBS
spring_length_under_load7.400 INCHES MAXIMUM IN
spring_free_outside_diameter1.000 INCHES NOMINAL IN
NSN5360-01-466-5716
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 9659K43 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
LOAD RATING: 35.00 POUNDS NOMINAL LBS
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 8.710 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 6.000 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.790 INCHES NOMINAL IN
•
SPRING LENGTH UNDER LOAD: 7.400 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
LOAD RATING35.00 POUNDS NOMINAL LBS
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH8.710 INCHES NOMINAL IN
SPRING DEFLECTION RATE6.000 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.790 INCHES NOMINAL IN
SPRING LENGTH UNDER LOAD7.400 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
COIL HELIX DIRECTIONLEFT-HAND OR RIGHT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
6213818Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
9654K293Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9659K43?
9659K43 is a SPRING,HELICAL,EXTENSION.
What parts can replace 9659K43?
There are 2 known substitutes for 9659K43: 6213818, 9654K293. Substitute compatibility should be verified for your specific system.
What is the NSN for 9659K43?
9659K43 is cataloged in the U.S. Government catalog under NSN 5360-01-466-5716. 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.