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Technical Data Sheet
PartsTable / COMPONENT / 109.492
109.492 ✓ 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 109.492 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-445-1481, 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
109.492
NSN: 5340-01-445-1481
FSC: 5340
CAGE: 44MG9 — WEBASTO THERMO & COMFORT NORTH AMERICA, INC. DIV WEBASTO PRODUCT NORTH AMERICA, INC (USA)
SPECIFICATIONS
Part Number109.492
NSN5340-01-445-1481
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 109.492 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 3
109492Interchangeable
interchangeable cross-reference
interchangeable
BW/131081Interchangeable
interchangeable cross-reference
interchangeable
3658378Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 109.492?
109.492 is a 109.492.
What parts can replace 109.492?
There are 3 known substitutes for 109.492: 109492, BW/131081, 3658378. Substitute compatibility should be verified for your specific system.
What is the NSN for 109.492?
109.492 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-445-1481. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026