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9J0818 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9J0818: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include center_hole_diameter: 650.0 MILLIMETERS NOMINAL MM, cross-sectional_height: 14.3 MILLIMETERS NOMINAL MM, end_item_identification: CATERPILLAR 953B ENGINE, CATERPILLAR INC. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-429-6101, 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
9J0818
NSN: 5331-01-429-6101
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
center_hole_diameter650.0 MILLIMETERS NOMINAL MM
cross-sectional_height14.3 MILLIMETERS NOMINAL MM
end_item_identificationCATERPILLAR 953B ENGINE, CATERPILLAR INC
NSN5331-01-429-6101
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9J0818 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
•
CROSS-SECTIONAL HEIGHT: 14.3 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 650.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT14.3 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER650.0 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONCATERPILLAR 953B ENGINE, CATERPILLAR INC
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
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 9J0818?
9J0818 is a O-RING.
What is the NSN for 9J0818?
9J0818 is cataloged in the U.S. Government catalog under NSN 5331-01-429-6101. This indicates validated use in U.S. government and defense supply chains.
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