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3551A — AMPLIFIER-POWER SUPPLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

3551A: AMPLIFIER-POWER SUPPLY.

The AMPLIFIER-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 5940-00-143-4663, 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
3551A
NSN: 5940-00-143-4663
NIINs: 001434663, 010620176
FSC: 5940 — Lugs, Terminals, and Terminal Strips
CAGE: 00866 — GOE ENGINEERING CO INC (USA)
SPECIFICATIONS
NSN5940-00-143-4663
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 3551A MFR OEM Platinum
KEY FEATURES
•
MINOR BUSHING LENGTH: 0.063 INCHES IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,-222 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL SINGLE LAYER
•
SWAGE DEPTH: 0.063 INCHES IN
•
OVERALL DIAMETER: 0.125 INCHES IN
•
THRU-HOLE DIAMETER: 0.040 INCHES IN
•
LARGEST DIAMETER: 0.096 INCHES SINGLE END IN
•
SWAGE OUTSIDE DIAMETER: 0.071 INCHES IN
•
BASIC SHAPE STYLE: TUBULAR, ROUND
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
MINOR BUSHING LENGTH0.063 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,-222 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL SINGLE LAYER
SWAGE DEPTH0.063 INCHES IN
OVERALL DIAMETER0.125 INCHES IN
THRU-HOLE DIAMETER0.040 INCHES IN
LARGEST DIAMETER0.096 INCHES SINGLE END IN
SWAGE OUTSIDE DIAMETER0.071 INCHES IN
BASIC SHAPE STYLETUBULAR, ROUND
MOUNTING METHOD STYLESWAGE
ELECTRICAL INSULATION FEATUREUNINSULATED
SUBSTITUTES & CROSS-REFERENCES 9
160-2027-01-01-00Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
256043P1Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
X2027AReference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
10-301-1Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
227MR108P001Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
SC5940-0010-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3551A?
3551A is a AMPLIFIER-POWER SUPPLY.
What parts can replace 3551A?
There are 9 known substitutes for 3551A: 160-2027-01-01-00, 256043P1, X2027A and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3551A?
3551A is cataloged in the U.S. Government catalog under NSN 5940-00-143-4663. 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.