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Technical Data Sheet
LE479/86 ✓ 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 LE479/86 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 5340-01-314-8690, 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
LE479/86
NSN: 5340-01-314-8690
FSC: 5340
CAGE: 0JKF4 — ULSTEIN USA INC (USA)
SPECIFICATIONS
Part NumberLE479/86
NSN5340-01-314-8690
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LE479/86 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
DESIGN TYPE: FRICTION
OVERALL DIAMETER: 66.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPEFRICTION
OVERALL DIAMETER66.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
1930570Upgraded Successor
successor cross-reference
successor
B9200-0550Upgraded Successor
successor cross-reference
successor
SF71-18Interchangeable
interchangeable cross-reference
interchangeable
74500-74850Interchangeable
interchangeable cross-reference
interchangeable
74500AND74850Interchangeable
interchangeable cross-reference
interchangeable
0346650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LE479/86?
LE479/86 is a LE479/86.
What parts can replace LE479/86?
There are 16 known substitutes for LE479/86: 1930570, B9200-0550, SF71-18 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LE479/86?
LE479/86 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-314-8690. This indicates validated use in U.S. government and defense supply chains.
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