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Technical Data Sheet
35539 2IN ✓ 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

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-088-9714, 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
35539 2IN
NSN: 5340-01-088-9714
FSC: 5340
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
NSN5340-01-088-9714
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 35539 2IN 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 ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
28138Interchangeable
interchangeable cross-reference
interchangeable
21050N,PC17Interchangeable
interchangeable cross-reference
interchangeable
15142NPC21Interchangeable
interchangeable cross-reference
interchangeable
50278-41-75 2INInterchangeable
interchangeable cross-reference
interchangeable
19909NInterchangeable
interchangeable cross-reference
interchangeable
19909NPC23-2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 35539 2IN?
35539 2IN is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 35539 2IN?
There are 22 known substitutes for 35539 2IN: 28138, 21050N,PC17, 15142NPC21 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 35539 2IN?
35539 2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-088-9714. This indicates validated use in U.S. government and defense supply chains.
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