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
IBM 850 WATT AC PWR SUPPLY 520 5158 5159
IBM 850 WATT AC PWR SUPPLY 520 5158 5159. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-555-6397, 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
MRO→MRO_GENERAL→39J4951
NSN:6130-01-555-6397 FSC:6130 CAGE:30874 — INTERNATIONAL BUSINESS MACHINES CORPORATION DBA IBM (USA)
SPECIFICATIONS
Part Number
39J4951
Manufacturer
IBM
Wattage
850W
NSN
6130-01-555-6397
COMPONENT DIAGRAM
KEY FEATURES
•
850W Power Rating
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
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FREQUENTLY ASKED QUESTIONS
What is 39J4951?
39J4951 is a IBM 850 Watt AC Pwr Supply 520 5158 5159 manufactured by IBM. It is classified as a MRO (MRO_GENERAL).
What parts can replace 39J4951?
There are 3 known substitutes for 39J4951: 9111-520-5158, 39J0544, 97P2330. Substitute compatibility should be verified for your specific system.
What is the NSN for 39J4951?
39J4951 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-555-6397. This indicates validated use in U.S. government and defense supply chains.
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