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A2205 — POWER SUPPLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

A2205: POWER SUPPLY.

The POWER SUPPLY 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 3110-00-156-1709, 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
A2205
NSN: 3110-00-156-1709
NIINs: 001561709, 002466915, 007152205, 009928621
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70801 — AUTOMOTIVE THRUST BEARING CORP (USA)
SPECIFICATIONS
NSN3110-00-156-1709
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 A2205 MFR OEM Platinum
KEY FEATURES
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 1.4687 INCHES NOMINAL IN
•
BORE SMALLEST DIAMETER: 0.7500 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
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
OVERALL HEIGHT0.5625 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORGROOVED RACE SURFACE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER1.4687 INCHES NOMINAL IN
BORE SMALLEST DIAMETER0.7500 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
A52491-13Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LEANReference document
Same NSN cross-reference
Reference document — Secondary reference
1005Reference document
Same NSN cross-reference
Reference document — Secondary reference
GT5Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-52491Reference document
Same NSN cross-reference
Reference document — Identification reference
MS17161-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A2205?
A2205 is a POWER SUPPLY.
What parts can replace A2205?
There are 7 known substitutes for A2205: A52491-13, LEAN, 1005 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2205?
A2205 is cataloged in the U.S. Government catalog under NSN 3110-00-156-1709. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.