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Technical Data Sheet
PartsTable / COMPONENT / 4349PC191
4349PC191 ✓ 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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-354-2186, 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
4349PC191
NSN: 5330-00-354-2186
FSC: 5330
CAGE: 50309 — JOHN REINER & CO. INC. (USA)
SPECIFICATIONS
Part Number4349PC191
NSN5330-00-354-2186
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4349PC191 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 13
I162020Interchangeable
interchangeable cross-reference
interchangeable
MI16Interchangeable
interchangeable cross-reference
interchangeable
NB1RInterchangeable
interchangeable cross-reference
interchangeable
24590Interchangeable
interchangeable cross-reference
interchangeable
PD0024263Interchangeable
interchangeable cross-reference
interchangeable
PD0024263 ITEM 393Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4349PC191?
4349PC191 is a GASKET.
What parts can replace 4349PC191?
There are 13 known substitutes for 4349PC191: I162020, MI16, NB1R and 10 more. Substitute compatibility should be verified for your specific system.
Is 4349PC191 still available?
4349PC191 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