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Technical Data Sheet
PartsTable / O-RING / SE12IN FN-52 SHT 3
SE12IN FN-52 SHT 3 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-1076, 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
SE12IN FN-52 SHT 3
NSN: 5331-00-166-1076
FSC: 5331 — O-RING
CAGE: 98032 — TRI-TEC MANUFACTURING LLC (USA)
SPECIFICATIONS
Part NumberSE12IN FN-52 SHT 3
NSN5331-00-166-1076
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SE12IN FN-52 SHT 3 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 27
500292Interchangeable
interchangeable cross-reference
interchangeable
0-50-120Interchangeable
interchangeable cross-reference
interchangeable
568120-2Interchangeable
interchangeable cross-reference
interchangeable
AS568-120Interchangeable
interchangeable cross-reference
interchangeable
Z00.N7423510008TBMInterchangeable
interchangeable cross-reference
interchangeable
AS3209-120Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SE12IN FN-52 SHT 3?
SE12IN FN-52 SHT 3 is a O-RING.
What parts can replace SE12IN FN-52 SHT 3?
There are 27 known substitutes for SE12IN FN-52 SHT 3: 500292, 0-50-120, 568120-2 and 24 more. Substitute compatibility should be verified for your specific system.
Is SE12IN FN-52 SHT 3 still available?
SE12IN FN-52 SHT 3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026