PartsTable
Technical Data Sheet
PartsTable / O-RING / AD-4098-8Y8 PC.9
AD-4098-8Y8 PC.9 ✓ 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 AD-4098-8Y8 PC.9 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-220-1924, 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
AD-4098-8Y8 PC.9
NSN: 5331-01-220-1924
FSC: 5331 — O-RING
CAGE: 60047 — PALL AEROPOWER CORP SUB OF PALL CORP MECTRON INDUSTRIES DIV (USA)
SPECIFICATIONS
Part NumberAD-4098-8Y8 PC.9
NSN5331-01-220-1924
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AD-4098-8Y8 PC.9 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 15
MS28778-8Interchangeable
interchangeable cross-reference
interchangeable
9469127107Interchangeable
interchangeable cross-reference
interchangeable
576-2200-1506657REVALINE7Interchangeable
interchangeable cross-reference
interchangeable
F-14260-8Interchangeable
interchangeable cross-reference
interchangeable
142A23S06X12RInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-18866Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AD-4098-8Y8 PC.9?
AD-4098-8Y8 PC.9 is a AD-4098-8Y8 PC.9.
What parts can replace AD-4098-8Y8 PC.9?
There are 15 known substitutes for AD-4098-8Y8 PC.9: MS28778-8, 9469127107, 576-2200-1506657REVALINE7 and 12 more. Substitute compatibility should be verified for your specific system.
Is AD-4098-8Y8 PC.9 still available?
AD-4098-8Y8 PC.9 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026