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Technical Data Sheet
PartsTable / COMPONENT / 18539N PC 8
18539N PC 8 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-142-0336, 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
18539N PC 8
NSN: 5330-01-142-0336
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER OVERALL
NSN5330-01-142-0336
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18539N PC 8 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: COPPER OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
J3493Interchangeable
interchangeable cross-reference
interchangeable
3493Interchangeable
interchangeable cross-reference
interchangeable
1602-34-93W0C0VERInterchangeable
interchangeable cross-reference
interchangeable
119-93Interchangeable
interchangeable cross-reference
interchangeable
706906003Interchangeable
interchangeable cross-reference
interchangeable
4SC1073Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18539N PC 8?
18539N PC 8 is a GASKET.
What parts can replace 18539N PC 8?
There are 17 known substitutes for 18539N PC 8: J3493, 3493, 1602-34-93W0C0VER and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18539N PC 8?
18539N PC 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-142-0336. 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