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Technical Data Sheet
S340DG8 ✓ 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 5340-01-685-0434, 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
S340DG8
NSN: 5340-01-685-0434
FSC: 5340
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
Part NumberS340DG8
NSN5340-01-685-0434
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S340DG8 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 10
3002T30P03Interchangeable
interchangeable cross-reference
interchangeable
3002T30P05Interchangeable
interchangeable cross-reference
interchangeable
R23853Interchangeable
interchangeable cross-reference
interchangeable
SS82Interchangeable
interchangeable cross-reference
interchangeable
A2-40Interchangeable
interchangeable cross-reference
interchangeable
S3-40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S340DG8?
S340DG8 is a CLAMP,LOOP.
What parts can replace S340DG8?
There are 10 known substitutes for S340DG8: 3002T30P03, 3002T30P05, R23853 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S340DG8?
S340DG8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-685-0434. This indicates validated use in U.S. government and defense supply chains.
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