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T8493 ✓ 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 SET is a the manufacturer industrial component. Key specifications include document_type: INDUSTRIAL DRAWING, usage_location: CONUS, document_source: 79150, document_identification: MS18130, component_document_origin: INDUSTRIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-354-0799, 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
T8493
NSN: 5330-00-354-0799
FSC: 5330
CAGE: 73782 — TOWMOTOR CORP DALLAS PLANT SUB OF CATERPILLAR TRACTOR CO (USA)
SPECIFICATIONS
document_typeINDUSTRIAL DRAWING
usage_locationCONUS
document_source79150
document_identificationMS18130
component_document_originINDUSTRIAL
NSN5330-00-354-0799
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T8493 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
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
•
DOCUMENT SOURCE: 79150
•
USAGE LOCATION: CONUS
•
DOCUMENT TYPE: INDUSTRIAL DRAWING
•
DOCUMENT IDENTIFICATION: MS18130
TECHNICAL CHARACTERISTICS (FLIS)
COMPONENT DOCUMENT ORIGININDUSTRIAL
DOCUMENT SOURCE79150
USAGE LOCATIONCONUS
DOCUMENT TYPEINDUSTRIAL DRAWING
DOCUMENT IDENTIFICATIONMS18130
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
GGG-D-296Interchangeable
interchangeable cross-reference
interchangeable
1266Interchangeable
interchangeable cross-reference
interchangeable
C65601Interchangeable
interchangeable cross-reference
interchangeable
9531109TInterchangeable
interchangeable cross-reference
interchangeable
9531109Interchangeable
interchangeable cross-reference
interchangeable
31301Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T8493?
T8493 is a GASKET SET.
What parts can replace T8493?
There are 27 known substitutes for T8493: GGG-D-296, 1266, C65601 and 24 more. Substitute compatibility should be verified for your specific system.
Is T8493 still available?
T8493 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026