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Technical Data Sheet

18426 PART NO 35 — Technical Data Sheet

✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System under NSN 5331-00-480-2255, 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
18426 PART NO 35
NSN: 5331-00-480-2255
FSC: 5331 — O-RING
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
Part Number18426 PART NO 35
NSN5331-00-480-2255
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18426 PART NO 35 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
91103-37635InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A6689-139-222InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS568-139E540-8CPInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2-139E540-8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS568-139E540-8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2-139E540-80InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18426 PART NO 35?
18426 PART NO 35 is a O-RING.
What parts can replace 18426 PART NO 35?
There are 21 known substitutes for 18426 PART NO 35: 91103-37635, A6689-139-222, AS568-139E540-8CP and 18 more. Substitute compatibility should be verified for your specific system.
Is 18426 PART NO 35 still available?
18426 PART NO 35 is currently cancelled.
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