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340391 — ADAPTER,POWER SUPPLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

340391: ADAPTER,POWER SUPPLY.

The ADAPTER,POWER SUPPLY is a the manufacturer power supply unit built for continuous operation in enterprise server and storage platforms. This part is cataloged in the U.S. Government catalog under NSN 2815-01-665-0942, 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
340391
NSN: 2815-01-665-0942
NIINs: 016650942, 017279490
FSC: 2815 — Diesel Engines and Components
CAGE: H2987 — SUN TEST SYSTEMS B.V. (NLD)
SPECIFICATIONS
NSN2815-01-665-0942
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz OEM BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | —W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU —W PN 340391 MFR OEM Platinum
KEY FEATURES
•
OUTSIDE DIAMETER: 1.62 INCHES NOMINAL IN
•
CONNECTION TYPE: THREADED
•
BODY MATERIAL: PLASTIC
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 9/16-18 UNF
TYPICAL APPLICATIONS
  • Server power supply replacement (failed or degraded)
  • Redundant power upgrade for high-availability
  • Power capacity upgrade for GPU or expansion configurations
  • Hot-swap power maintenance in production environments
  • Spare inventory for break-fix operations
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.18 INCHES NOMINAL IN
OUTSIDE DIAMETER1.62 INCHES NOMINAL IN
CONNECTION TYPETHREADED
BODY MATERIALPLASTIC
SPECIAL FEATURESMAX FLOW CFM/IPM 3/85
END ITEM IDENTIFICATIONT.R.A.P BREATHER
THREAD SIZE AND SERIES/TYPE DESIGNATOR9/16-18 UNF
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 340391?
340391 is a ADAPTER,POWER SUPPLY.
What is the NSN for 340391?
340391 is cataloged in the U.S. Government catalog under NSN 2815-01-665-0942. 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.