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Technical Data Sheet
PartsTable / COMPONENT / 5209-2M
5209-2M ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-301-3669, 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
5209-2M
NSN: 5340-01-301-3669
FSC: 5340
CAGE: 7DU54 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLING DIVISION (USA)
SPECIFICATIONS
Part Number5209-2M
NSN5340-01-301-3669
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5209-2M 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 9
5209-2Interchangeable
interchangeable cross-reference
interchangeable
361P2Interchangeable
interchangeable cross-reference
interchangeable
AMES-2109Interchangeable
interchangeable cross-reference
interchangeable
104103125Interchangeable
interchangeable cross-reference
interchangeable
1783Interchangeable
interchangeable cross-reference
interchangeable
D300Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5209-2M?
5209-2M is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 5209-2M?
There are 9 known substitutes for 5209-2M: 5209-2, 361P2, AMES-2109 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5209-2M?
5209-2M is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-301-3669. 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