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Technical Data Sheet
PartsTable / O-RING / STRIX1440
STRIX1440 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, cross-sectional_height: 0.390 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-128-4134, 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
STRIX1440
NSN: 5331-01-128-4134
FSC: 5331 — O-RING
CAGE: 12195 — MICHELIN NORTH AMERICA, INC DBA MICHELIN NORTH AMERICA, INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
cross-sectional_height0.390 INCHES NOMINAL IN
NSN5331-01-128-4134
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STRIX1440 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
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.390 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.390 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
15859Interchangeable
interchangeable cross-reference
interchangeable
15859AInterchangeable
interchangeable cross-reference
interchangeable
54C6209Interchangeable
interchangeable cross-reference
interchangeable
31897Interchangeable
interchangeable cross-reference
interchangeable
40625Interchangeable
interchangeable cross-reference
interchangeable
912695Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STRIX1440?
STRIX1440 is a O-RING.
What parts can replace STRIX1440?
There are 21 known substitutes for STRIX1440: 15859, 15859A, 54C6209 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for STRIX1440?
STRIX1440 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-128-4134. 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