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28664 ✓ Verified by PartsTable
Legrand · 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 Legrand power supply unit built for continuous operation in enterprise server and storage platforms. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, base_style: SINGLE CONTACT MINIATURE FLANGED, bulb_style: B (ARBITRARY DESIGNATION), nut_height: 0.250 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-249-9903, 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
28664
NSN: 3020-00-249-9903
FSC: 3020
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
base_styleSINGLE CONTACT MINIATURE FLANGED
bulb_styleB (ARBITRARY DESIGNATION)
nut_height0.250 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
bulb_diameter2.19 MILLIMETERS NOMINAL MM
thread_seriesUNF
overall_length6.3 MILLIMETERS NOMINAL MM
voltage_rating28.0 VOLTS NOMINAL
wattage_rating1.0 WATTS
NSN3020-00-249-9903
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz Legrand 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 28664 MFR Legrand Platinum
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MS20364-524CInterchangeable
interchangeable cross-reference
interchangeable
28664Interchangeable
interchangeable cross-reference
interchangeable
404 837Interchangeable
interchangeable cross-reference
interchangeable
MGA34AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28664?
28664 is a POWER SUPPLY manufactured by Legrand.
What parts can replace 28664?
There are 4 known substitutes for 28664: MS20364-524C, 28664, 404 837 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28664?
28664 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-249-9903. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026