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A4084 ✓ 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 material: ALUMINUM ALLOY 2024 OVERALL, bore_style: PLAIN BOTH ENDS, design_type: SPUR FIRST GEAR, construction: SOLID, surface_treatment: ANODIZE OVERALL, hub_nominal_length: 0.031 INCHES BETWEEN FIRST AND SECOND GEAR IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-001-6776, 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
A4084
NSN: 3020-00-001-6776
FSC: 3020
CAGE: 12511 — SIMMONDS PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
bore_stylePLAIN BOTH ENDS
design_typeSPUR FIRST GEAR
constructionSOLID
surface_treatmentANODIZE OVERALL
hub_nominal_length0.031 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_style_designatorPLAIN BETWEEN FIRST AND SECOND GEAR
bore_nominal_diameter0.047 INCHES BOTH ENDS IN
nominal_overall_length0.185 INCHES IN
nominal_outside_diameter0.217 INCHES SECOND GEAR IN
precision_classificationQUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
material_document_and_classificationQQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3020-00-001-6776
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 A4084 MFR OEM Platinum
KEY FEATURES
•
NOMINAL OUTSIDE DIAMETER: 0.573 INCHES FIRST GEAR IN
•
DESIGN TYPE: SPUR SECOND GEAR
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
PRECISION CLASSIFICATION: QUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
•
CONSTRUCTION: SOLID
•
HUB NOMINAL LENGTH: 0.031 INCHES BETWEEN FIRST AND SECOND GEAR IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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)
NOMINAL OUTSIDE DIAMETER0.573 INCHES FIRST GEAR IN
DESIGN TYPESPUR SECOND GEAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
CONSTRUCTIONSOLID
HUB NOMINAL LENGTH0.031 INCHES BETWEEN FIRST AND SECOND GEAR IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH0.185 INCHES IN
DESIGN TYPESPUR FIRST GEAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
NAS1786C06-5Interchangeable
interchangeable cross-reference
interchangeable
1130H-SS-.312-12Interchangeable
interchangeable cross-reference
interchangeable
2101-632-SS-20Interchangeable
interchangeable cross-reference
interchangeable
A4084Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A4084?
A4084 is a POWER SUPPLY.
What parts can replace A4084?
There are 4 known substitutes for A4084: NAS1786C06-5, 1130H-SS-.312-12, 2101-632-SS-20 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A4084?
A4084 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-001-6776. 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