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Technical Data Sheet
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851053 ✓ 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 diameter: 0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, material: STEEL COMP 302 OR STEEL COMP 304 OVERALL, point_type: EXTENDED PRONG SQUARE CUT, overall_width: 5.500 INCHES NOMINAL IN, overall_length: 10.000 INCHES NOMINAL IN, hardness_rating: 60.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 70.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-236-8353, 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
851053
NSN: 5315-00-236-8353
FSC: 5315
CAGE: 19203 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV US ARMY RESEARCH, DEVELOPMENT AND ENGINEERING COMMAND ARMAMENT (USA)
SPECIFICATIONS
diameter0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
materialSTEEL COMP 302 OR STEEL COMP 304 OVERALL
point_typeEXTENDED PRONG SQUARE CUT
overall_width5.500 INCHES NOMINAL IN
overall_length10.000 INCHES NOMINAL IN
hardness_rating60.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 70.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
style_designatorSTANDARD
underloop_length1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
operating_ambient_temp_range-40.0 TO 65.0 CELSIUS DEGC
maximum_operating_altitude_rating10000.0 FEET FT
material_document_and_classificationASTM A493 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5315-00-236-8353
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 851053 MFR OEM Platinum
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
UNDERLOOP LENGTH: 1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
POINT TYPE: EXTENDED PRONG SQUARE CUT
•
DIAMETER: 0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 70.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 304 OVERALL
•
STYLE DESIGNATOR: STANDARD
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)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
UNDERLOOP LENGTH1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
POINT TYPEEXTENDED PRONG SQUARE CUT
DIAMETER0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
HARDNESS RATING60.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 70.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OVERALL
STYLE DESIGNATORSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493 ASSN STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MS24665-302Interchangeable
interchangeable cross-reference
interchangeable
8100-1251-0308 PC NO 166Interchangeable
interchangeable cross-reference
interchangeable
803-6397269 PC 166Interchangeable
interchangeable cross-reference
interchangeable
05018Interchangeable
interchangeable cross-reference
interchangeable
23BR237112Interchangeable
interchangeable cross-reference
interchangeable
5018Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 851053?
851053 is a POWER SUPPLY.
What parts can replace 851053?
There are 18 known substitutes for 851053: MS24665-302, 8100-1251-0308 PC NO 166, 803-6397269 PC 166 and 15 more. Substitute compatibility should be verified for your specific system.
Is 851053 still available?
851053 is currently cancelled.
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Last verified: July 2026