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Technical Data Sheet
PartsTable / COMPONENT / X2289
X2289 ✓ 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 PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include height: 0.375 INCHES NOMINAL IN, material: STEEL, outside_diameter: 1.250 INCHES NOMINAL IN, style_designator: CUP, surface_treatment: CADMIUM, material_thickness: 0.062 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 5340-00-276-5834, 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
X2289
NSN: 5340-00-276-5834
FSC: 5340
CAGE: 14351 — TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV TELEDYNE INDUSTRIES INC SUB OF TELEDYNE INC (USA)
SPECIFICATIONS
height0.375 INCHES NOMINAL IN
materialSTEEL
outside_diameter1.250 INCHES NOMINAL IN
style_designatorCUP
surface_treatmentCADMIUM
material_thickness0.062 INCHES NOMINAL IN
NSN5340-00-276-5834
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X2289 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
•
STYLE DESIGNATOR: CUP
•
HEIGHT: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
•
OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCUP
HEIGHT0.375 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
MATERIALSTEEL
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
86740PC12Interchangeable
interchangeable cross-reference
interchangeable
187I-1/4IN LBInterchangeable
interchangeable cross-reference
interchangeable
C80009Interchangeable
interchangeable cross-reference
interchangeable
1 1-4CInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X2289?
X2289 is a PLUG,EXPANSION.
What parts can replace X2289?
There are 4 known substitutes for X2289: 86740PC12, 187I-1/4IN LB, C80009 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X2289?
X2289 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-276-5834. 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