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9L9425 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9L9425: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 10L18, design_type: SOLID, special_features: ENGINE,DIESEL, material_hardness_rating: 70.0 ROCKWELL SUPERFICIAL 30-N MINIMUM, material_document_and_classification: SAE C10L18 CF ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-151-6693, 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
9L9425
NSN: 5340-00-151-6693
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 10L18
design_typeSOLID
special_featuresENGINE,DIESEL
material_hardness_rating70.0 ROCKWELL SUPERFICIAL 30-N MINIMUM
material_document_and_classificationSAE C10L18 CF ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-151-6693
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9L9425 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL HARDNESS RATING: 70.0 ROCKWELL SUPERFICIAL 30-N MINIMUM
•
DESIGN TYPE: SOLID
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE C10L18 CF ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 10L18
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING70.0 ROCKWELL SUPERFICIAL 30-N MINIMUM
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONSAE C10L18 CF ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURESENGINE,DIESEL
MATERIALSTEEL COMP 10L18
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 9L9425?
9L9425 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 9L9425?
9L9425 is cataloged in the U.S. Government catalog under NSN 5340-00-151-6693. 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.