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57978 — 57978

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

57978: 57978.

The 57978 is a the manufacturer industrial component. Key specifications include overall_width: 3.300 INCHES NOMINAL IN, overall_length: 18.500 INCHES NOMINAL IN, end_item_identification: PSDAF-C130D AND PSD90-1C, test_item_connection_method: CABLE, part_name_assigned_by_controlling_agency: FUEL QUANTITY INTERFACE CABLE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-393-2900, 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
MRO→ MRO_GENERAL→ 57978
NSN: 5331-01-393-2900
NIINs: 013932900, 015246042
FSC: 5331 — O-ring
CAGE: 62445 — DEUTZ CORPORATION (USA)
SPECIFICATIONS
overall_width3.300 INCHES NOMINAL IN
overall_length18.500 INCHES NOMINAL IN
end_item_identificationPSDAF-C130D AND PSD90-1C
test_item_connection_methodCABLE
part_name_assigned_by_controlling_agencyFUEL QUANTITY INTERFACE CABLE
NSN5331-01-393-2900
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 57978 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 57978?
57978 is a 57978. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 57978?
57978 is cataloged in the U.S. Government catalog under NSN 5331-01-393-2900. This indicates validated use in U.S. government and defense supply chains.
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