PartsTable
Technical Data Sheet
S18418 ✓ 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. Key specifications include material: RUBBER SYNTHETIC, cross-sectional_height: 0.093 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-068-6370, 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
S18418
NSN: 5331-01-068-6370
FSC: 5331 — O-RING
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
cross-sectional_height0.093 INCHES NOMINAL IN
NSN5331-01-068-6370
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S18418 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: RUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.093 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
50298Interchangeable
interchangeable cross-reference
interchangeable
1199973Interchangeable
interchangeable cross-reference
interchangeable
HA356Interchangeable
interchangeable cross-reference
interchangeable
9535Interchangeable
interchangeable cross-reference
interchangeable
P-298BInterchangeable
interchangeable cross-reference
interchangeable
PC-308Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S18418?
S18418 is a O-RING.
What parts can replace S18418?
There are 13 known substitutes for S18418: 50298, 1199973, HA356 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S18418?
S18418 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-068-6370. This indicates validated use in U.S. government and defense supply chains.
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