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28259 — POWER SUPPLY SUBASSEMBLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

28259: POWER SUPPLY SUBASSEMBLY.

The POWER SUPPLY SUBASSEMBLY 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 2940-00-218-5490, 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
28259
NSN: 2940-00-218-5490
NIINs: 002185490, 004874773, 008047636, 010792802
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
CAGE: 64829 — ARVINMERITOR INC (USA)
SPECIFICATIONS
NSN2940-00-218-5490
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 28259 MFR OEM Platinum
KEY FEATURES
•
FILTERING MEDIA DESIGN: SINTERED SINGLE FILTERING MEDIA RESPONSE
•
BODY DIAMETER: 4.125 INCHES NOMINAL IN
•
BODY OVERALL LENGTH: 22.875 INCHES NOMINAL IN
•
MATERIAL: STEEL FILTERING MEDIUM
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
FILTERING MEDIA DESIGNSINTERED SINGLE FILTERING MEDIA RESPONSE
BODY DIAMETER4.125 INCHES NOMINAL IN
BODY OVERALL LENGTH22.875 INCHES NOMINAL IN
MATERIALSTEEL FILTERING MEDIUM
SUBSTITUTES & CROSS-REFERENCES 1
3300284Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 28259?
28259 is a POWER SUPPLY SUBASSEMBLY.
What parts can replace 28259?
There is 1 known substitute for 28259: 3300284. Substitute compatibility should be verified for your specific system.
What is the NSN for 28259?
28259 is cataloged in the U.S. Government catalog under NSN 2940-00-218-5490. 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.