PartsTable
Technical Data Sheet

9589/18 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9589/18: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE,VAPOR CONTROL,50MM MM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-468-4759, 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
9589/18
NSN: 5331-01-468-4759
FSC: 5331 — O-ring
CAGE: K5682 — TRUFLO MARINE LTD (GBR)
SPECIFICATIONS
end_item_identificationVALVE,VAPOR CONTROL,50MM MM
NSN5331-01-468-4759
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9589/18 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONVALVE,VAPOR CONTROL,50MM MM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
9589 PART 18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
O/R2327-BNReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9589/18?
9589/18 is a O-RING.
What parts can replace 9589/18?
There are 2 known substitutes for 9589/18: 9589 PART 18, O/R2327-BN. Substitute compatibility should be verified for your specific system.
What is the NSN for 9589/18?
9589/18 is cataloged in the U.S. Government catalog under NSN 5331-01-468-4759. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.