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1855077 ✓ 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 input_phase: SINGLE SINGLE OPERATING POWER RQMT, overall_width: 1.690 INCHES NOMINAL IN, overall_height: 2.440 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, input_voltage_rating: 1250.0 AC VOLTS NOMINAL SINGLE OPERATING POWER RQMT, output_current_rating: 0.4 DC AMPERES NOMINAL SINGLE POWER OUTPUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-370-8646, 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
1855077
NSN: 6130-01-370-8646
FSC: 6130
CAGE: 0CRU0 — C Q CONSTRUCTION CORPORATION (USA)
SPECIFICATIONS
input_phaseSINGLE SINGLE OPERATING POWER RQMT
overall_width1.690 INCHES NOMINAL IN
overall_height2.440 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
input_voltage_rating1250.0 AC VOLTS NOMINAL SINGLE OPERATING POWER RQMT
output_current_rating0.4 DC AMPERES NOMINAL SINGLE POWER OUTPUT
output_voltage_rating120.0 DC VOLTS NOMINAL SINGLE POWER OUTPUT
input_frequency_ratingUNABLE TO DECODE
output_connection_typeCONNECTOR, PLUG SINGLE POWER OUTPUT
output_connection_quantity1 SINGLE POWER OUTPUT
electrical_power_source_relationshipOPERATING
NSN6130-01-370-8646
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 1855077 MFR OEM Platinum
KEY FEATURES
•
INPUT VOLTAGE RATING: 1250.0 AC VOLTS NOMINAL SINGLE OPERATING POWER RQMT
•
OUTPUT CURRENT RATING: 0.4 DC AMPERES NOMINAL SINGLE POWER OUTPUT
•
INPUT PHASE: SINGLE SINGLE OPERATING POWER RQMT
•
ELECTRICAL POWER SOURCE RELATIONSHIP: OPERATING
•
OUTPUT CONNECTION TYPE: CONNECTOR, PLUG SINGLE POWER OUTPUT
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 HEIGHT2.440 INCHES NOMINAL IN
INPUT VOLTAGE RATING1250.0 AC VOLTS NOMINAL SINGLE OPERATING POWER RQMT
OUTPUT CURRENT RATING0.4 DC AMPERES NOMINAL SINGLE POWER OUTPUT
INPUT PHASESINGLE SINGLE OPERATING POWER RQMT
ELECTRICAL POWER SOURCE RELATIONSHIPOPERATING
OVERALL WIDTH1.690 INCHES NOMINAL IN
OVERALL LENGTH2.000 INCHES NOMINAL IN
OUTPUT CONNECTION TYPECONNECTOR, PLUG SINGLE POWER OUTPUT
OUTPUT VOLTAGE RATING120.0 DC VOLTS NOMINAL SINGLE POWER OUTPUT
OUTPUT CONNECTION QUANTITY1 SINGLE POWER OUTPUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
PS-12Upgraded Successor
successor cross-reference
successor
MORNINGSTAR PROSTAR-12Upgraded Successor
successor cross-reference
successor
PROSTAR-12Upgraded Successor
successor cross-reference
successor
B107.110 CAT 2 TY4Interchangeable
interchangeable cross-reference
interchangeable
B107.110Interchangeable
interchangeable cross-reference
interchangeable
PS033Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1855077?
1855077 is a POWER SUPPLY.
What parts can replace 1855077?
There are 9 known substitutes for 1855077: PS-12, MORNINGSTAR PROSTAR-12, PROSTAR-12 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1855077?
1855077 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-370-8646. 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