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Technical Data Sheet
50,39X3,53-20B9 ✓ 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 50,39X3,53-20B9 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-213-9369, 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
50,39X3,53-20B9
NSN: 5330-01-213-9369
FSC: 5330
CAGE: F8226 — STACEM (FRA)
SPECIFICATIONS
Part Number50,39X3,53-20B9
NSN5330-01-213-9369
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50,39X3,53-20B9 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 6
137618239Interchangeable
interchangeable cross-reference
interchangeable
2615-226Interchangeable
interchangeable cross-reference
interchangeable
SR226SR832-75AInterchangeable
interchangeable cross-reference
interchangeable
10374782Interchangeable
Same NIIN cross-reference
interchangeable
AN6230-4 2INIDX2.25INODInterchangeable
Same NIIN cross-reference
interchangeable
AN6230-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50,39X3,53-20B9?
50,39X3,53-20B9 is a 50,39X3,53-20B9.
What parts can replace 50,39X3,53-20B9?
There are 6 known substitutes for 50,39X3,53-20B9: 137618239, 2615-226, SR226SR832-75A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50,39X3,53-20B9?
50,39X3,53-20B9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-213-9369. This indicates validated use in U.S. government and defense supply chains.
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