The MK3 PSU 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 6120-01-591-4054, 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
MK3 PSU
NSN:6120-01-591-4054 FSC:6120 — Transformers: Distribution and Power Station CAGE:1KY21 — OLYMPUS AMERICA INC (USA)
SPECIFICATIONS
NSN
6120-01-591-4054
COMPONENT DIAGRAM
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
PART NAME ASSIGNED BY CONTROLLING AGENCY
EXTERNAL POWER SUPPLY
END ITEM IDENTIFICATION
DEBRIS TESTER MK 3 & MK 22
OTHER ITEMS IN FSC 6120 — Transformers: Distribution and Power Station
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is MK3 PSU?
MK3 PSU is a MK3 PSU.
What parts can replace MK3 PSU?
There are 2 known substitutes for MK3 PSU: 4022154.00, 402215401. Substitute compatibility should be verified for your specific system.
What is the NSN for MK3 PSU?
MK3 PSU is cataloged in the U.S. Government catalog under NSN 6120-01-591-4054. This indicates validated use in U.S. government and defense supply chains.
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