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Technical Data Sheet
PartsTable / COMPONENT / 5109-31
5109-31 ✓ 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 ASSEMBLY is a the manufacturer power supply unit built for continuous operation in enterprise server and storage platforms. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_width: 51.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, overall_height: 489.0 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-541-9536, 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
5109-31
NSN: 3110-00-541-9536
FSC: 3110
CAGE: 93712 — ALLIANT DEFENSE ELECTRONICS SYSTEMS INC DBA LUNDY TECHNICAL CENTER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.2500 INCHES NOMINAL IN
overall_width51.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
overall_height489.0 MILLIMETERS NOMINAL MM
overall_length67.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter0.6250 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
NSN3110-00-541-9536
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 5109-31 MFR OEM Platinum
KEY FEATURES
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 0.6250 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
SURFACE FINISH: GROUND
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)
BORE SHAPESTRAIGHT
BORE DIAMETER0.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.3
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A-2828Interchangeable
interchangeable cross-reference
interchangeable
AC-2828Interchangeable
interchangeable cross-reference
interchangeable
SAE-J512Interchangeable
interchangeable cross-reference
interchangeable
AT62178Interchangeable
interchangeable cross-reference
interchangeable
17HGH38Interchangeable
interchangeable cross-reference
interchangeable
510935Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5109-31?
5109-31 is a POWER SUPPLY ASSEMBLY.
What parts can replace 5109-31?
There are 14 known substitutes for 5109-31: A-2828, AC-2828, SAE-J512 and 11 more. Substitute compatibility should be verified for your specific system.
Is 5109-31 still available?
5109-31 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026