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Technical Data Sheet
2G8579 ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-185-4778, 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
2G8579
NSN: 5340-01-185-4778
FSC: 5340
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number2G8579
NSN5340-01-185-4778
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2G8579 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
7633-5000Interchangeable
interchangeable cross-reference
interchangeable
46A007Interchangeable
interchangeable cross-reference
interchangeable
413-0306Interchangeable
interchangeable cross-reference
interchangeable
7633Interchangeable
interchangeable cross-reference
interchangeable
6145PL0835261Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-55021/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2G8579?
2G8579 is a CLAMP,LOOP.
What parts can replace 2G8579?
There are 8 known substitutes for 2G8579: 7633-5000, 46A007, 413-0306 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2G8579?
2G8579 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-185-4778. This indicates validated use in U.S. government and defense supply chains.
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