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Technical Data Sheet
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340657 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

340657: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_item_identification: UPDATE, part_name_assigned_by_controlling_agency: SLIDE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-425-0003, 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
340657
NSN: 5330-01-425-0003
NIINs: 014250003, 016484520
FSC: 5330 — Packing and Gasket Materials
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_item_identificationUPDATE
part_name_assigned_by_controlling_agencySLIDE
NSN5330-01-425-0003
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 340657 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 340657?
340657 is a GASKET.
What is the NSN for 340657?
340657 is cataloged in the U.S. Government catalog under NSN 5330-01-425-0003. This indicates validated use in U.S. government and defense supply chains.
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