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Technical Data Sheet
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T0078909 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

T0078909: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include fsc_application_data: CABLE INTERFACE POWER SUPPLY PN 8138750,HELRAS SONAR EQUIPMENT, end_item_identification: EH101 HELICOPTER, part_name_assigned_by_controlling_agency: GASKET,HIGH VOLT. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-545-4304, 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
T0078909
NSN: 5330-01-545-4304
FSC: 5330 — Packing and Gasket Materials
CAGE: A0810 — LEONARDO S.P.A. DIV ELECTRONICS (ITA)
SPECIFICATIONS
fsc_application_dataCABLE INTERFACE POWER SUPPLY PN 8138750,HELRAS SONAR EQUIPMENT
end_item_identificationEH101 HELICOPTER
part_name_assigned_by_controlling_agencyGASKET,HIGH VOLT
NSN5330-01-545-4304
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T0078909 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
•
FSC APPLICATION DATA: CABLE INTERFACE POWER SUPPLY PN 8138750,HELRAS SONAR EQUIPMENT
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATACABLE INTERFACE POWER SUPPLY PN 8138750,HELRAS SONAR EQUIPMENT
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET,HIGH VOLT
END ITEM IDENTIFICATIONEH101 HELICOPTER
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T0078909?
T0078909 is a GASKET.
What is the NSN for T0078909?
T0078909 is cataloged in the U.S. Government catalog under NSN 5330-01-545-4304. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.