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Technical Data Sheet
PartsTable / O-RING / 203289
203289 ✓ 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 HOSE ASSEMBLY SET,METALLIC is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: HOSE ASSEMBLY .50 FT FT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-531-2261, 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
203289
NSN: 5331-00-531-2261
FSC: 5331 — O-RING
CAGE: 0KDP7 — KIDDE-FENWAL, LLC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyHOSE ASSEMBLY .50 FT FT
NSN5331-00-531-2261
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 203289 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
P5516ACLASSAInterchangeable
interchangeable cross-reference
interchangeable
MILP5516CLASSAInterchangeable
interchangeable cross-reference
interchangeable
1PS1Interchangeable
interchangeable cross-reference
interchangeable
182MGV1Interchangeable
interchangeable cross-reference
interchangeable
81322Interchangeable
interchangeable cross-reference
interchangeable
8526597Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203289?
203289 is a HOSE ASSEMBLY SET,METALLIC.
What parts can replace 203289?
There are 19 known substitutes for 203289: P5516ACLASSA, MILP5516CLASSA, 1PS1 and 16 more. Substitute compatibility should be verified for your specific system.
Is 203289 still available?
203289 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