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Technical Data Sheet
270289 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, outside_diameter: 1.391 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.094 INCHES NOMINAL IN, cross-sectional_thickness: 0.203 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-359-1698, 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
270289
NSN: 5330-00-359-1698
FSC: 5330
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
outside_diameter1.391 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.094 INCHES NOMINAL IN
cross-sectional_thickness0.203 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-359-1698
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 270289 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
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS: 0.203 INCHES NOMINAL IN
OUTSIDE DIAMETER: 1.391 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
APERTURE DIAMETER: 1.094 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.203 INCHES NOMINAL IN
OUTSIDE DIAMETER1.391 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER1.094 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
DMS 87023BInterchangeable
interchangeable cross-reference
interchangeable
MPS834Interchangeable
interchangeable cross-reference
interchangeable
853512Interchangeable
interchangeable cross-reference
interchangeable
850074Interchangeable
interchangeable cross-reference
interchangeable
527647Interchangeable
interchangeable cross-reference
interchangeable
P55504-0100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 270289?
270289 is a GASKET.
What parts can replace 270289?
There are 8 known substitutes for 270289: DMS 87023B, MPS834, 853512 and 5 more. Substitute compatibility should be verified for your specific system.
Is 270289 still available?
270289 is currently cancelled.
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