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Technical Data Sheet
PartsTable / COMPONENT / 900406-21
900406-21 ✓ 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. Key specifications include overall_width: 2.750 INCHES NOMINAL IN, overall_height: 5.192 INCHES NOMINAL IN, overall_length: 5.310 INCHES NOMINAL IN, operating_ambient_temp_range: +0.1 TO 55.0 CELSIUS DEGC, electrical_power_source_relationship: OPERATING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-00-943-1810, 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
900406-21
NSN: 6130-00-943-1810
FSC: 6130
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
overall_width2.750 INCHES NOMINAL IN
overall_height5.192 INCHES NOMINAL IN
overall_length5.310 INCHES NOMINAL IN
operating_ambient_temp_range+0.1 TO 55.0 CELSIUS DEGC
electrical_power_source_relationshipOPERATING
NSN6130-00-943-1810
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 900406-21 MFR OEM Platinum
KEY FEATURES
•
OPERATING AMBIENT TEMP RANGE: +0.1 TO 55.0 CELSIUS DEGC
•
ELECTRICAL POWER SOURCE RELATIONSHIP: OPERATING
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 (FLIS)
OVERALL LENGTH5.310 INCHES NOMINAL IN
OVERALL HEIGHT5.192 INCHES NOMINAL IN
OPERATING AMBIENT TEMP RANGE+0.1 TO 55.0 CELSIUS DEGC
ELECTRICAL POWER SOURCE RELATIONSHIPOPERATING
OVERALL WIDTH2.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
J1508 TYPE B SIZE 79Interchangeable
interchangeable cross-reference
interchangeable
400 7057823 PCInterchangeable
interchangeable cross-reference
interchangeable
SAE-J1508Interchangeable
interchangeable cross-reference
interchangeable
20943Interchangeable
interchangeable cross-reference
interchangeable
9004062-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 900406-21?
900406-21 is a POWER SUPPLY.
What parts can replace 900406-21?
There are 5 known substitutes for 900406-21: J1508 TYPE B SIZE 79, 400 7057823 PC, SAE-J1508 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 900406-21?
900406-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-00-943-1810. 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