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390728 — Power Supply Datasheet

✓ Verified by PartsTable
— · PSU
WHAT YOU NEED TO KNOW
Always quote matching pair — mixed wattage causes throttling Platinum/Titanium = higher efficiency = lower power cost over time
AC or DC input? Verify customer site power
PRODUCT OVERVIEW

The 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 Federal Logistics Information System under NSN 5330-00-864-7183, 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
390728
NSN: 5330-00-864-7183
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
Wattage—
Efficiency Rating—
Form Factor—
Hot-Plug—
Redundancy—
Input Voltage—
Output Power—
Platform—
NSN5330-00-864-7183
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 390728 MFR OEM Platinum
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM OVERALL
•
CENTER HOLE DIAMETER: 0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
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
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
CENTER HOLE DIAMETER0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2601755-9InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
27210InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PRP568-210-9009 -75InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
393810InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MODEL354InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ASC1537428InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 390728?
390728 is a POWER SUPPLY.
What parts can replace 390728?
There are 7 known substitutes for 390728: 2601755-9, 27210, PRP568-210-9009 -75 and 4 more. Substitute compatibility should be verified for your specific system.
Is 390728 still available?
390728 is currently cancelled.
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Last verified: September 2026