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Technical Data Sheet
PartsTable / COMPONENT / 437572R-B21
437572R-B21 ✓ 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 437572R-B21 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-569-9698, 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
437572R-B21
NSN: 6130-01-569-9698
FSC: 6130
CAGE: A4944 — HEWLETT PACKARD ITALIANA SRL (ITA)
SPECIFICATIONS
Part Number437572R-B21
NSN6130-01-569-9698
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 437572R-B21 MFR OEM Platinum
KEY FEATURES
•
OUTPUT WATTAGE RATING: 1200.0 WATTS NOMINAL SINGLE POWER OUTPUT
•
OUTPUT VOLTAGE RATING: 12.0 DC VOLTS NOMINAL SINGLE POWER OUTPUT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH7.380 INCHES NOMINAL IN
OUTPUT WATTAGE RATING1200.0 WATTS NOMINAL SINGLE POWER OUTPUT
OVERALL LENGTH10.380 INCHES NOMINAL IN
OVERALL HEIGHT16.310 INCHES NOMINAL IN
OUTPUT VOLTAGE RATING12.0 DC VOLTS NOMINAL SINGLE POWER OUTPUT
END ITEM IDENTIFICATIONUSED ON HP DL580G SERVER
SPECIAL FEATURESREDUNDANT HOT PLUG AC POWER SUPPLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
437572-B21Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 437572R-B21?
437572R-B21 is a 437572R-B21.
What parts can replace 437572R-B21?
There is 1 known substitute for 437572R-B21: 437572-B21. Substitute compatibility should be verified for your specific system.
What is the NSN for 437572R-B21?
437572R-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-569-9698. 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