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249289 — DUCT,TUNNEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

249289: DUCT,TUNNEL.

The DUCT,TUNNEL is a the manufacturer industrial component. Key specifications include end_item_identification: ACFT MODEL F-18, general_characteristics_item_description: RTV FOAM SILICONE RUBBER,R-2370; 5.700 IN. O/A NOM LG; 2.000 IN.

O/A NOM W; 1.880 IN. O/A NOM H IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-107-6495, 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
249289
NSN: 5331-00-107-6495
NIINs: 001076495, 011861461, 012268735
FSC: 5331 — O-ring
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
end_item_identificationACFT MODEL F-18
general_characteristics_item_descriptionRTV FOAM SILICONE RUBBER,R-2370; 5.700 IN. O/A NOM LG; 2.000 IN. O/A NOM W; 1.880 IN. O/A NOM H IN
NSN5331-00-107-6495
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 249289 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 HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.234 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 249289?
249289 is a DUCT,TUNNEL.
What is the NSN for 249289?
249289 is cataloged in the U.S. Government catalog under NSN 5331-00-107-6495. This indicates validated use in U.S. government and defense supply chains.
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