PartsTable
Technical Data Sheet
207478 ✓ 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 product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-269-8579, 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
207478
NSN: 5331-01-269-8579
FSC: 5331 — O-RING
CAGE: 0MKW7 — MINNPAR, LLC DBA MINNPAR (USA)
SPECIFICATIONS
Part Number207478
NSN5331-01-269-8579
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 207478 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 8
489108Interchangeable
interchangeable cross-reference
interchangeable
24186Interchangeable
interchangeable cross-reference
interchangeable
785BM612Interchangeable
interchangeable cross-reference
interchangeable
235110Interchangeable
interchangeable cross-reference
interchangeable
HD6845Interchangeable
interchangeable cross-reference
interchangeable
12703106Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 207478?
207478 is a O-RING.
What parts can replace 207478?
There are 8 known substitutes for 207478: 489108, 24186, 785BM612 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 207478?
207478 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-269-8579. This indicates validated use in U.S. government and defense supply chains.
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