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A7057 — POWER SUPPLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

A7057: 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 5340-00-498-6611, 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
A7057
NSN: 5340-00-498-6611
NIINs: 004986611, 012165915, 015610561
FSC: 5340 — Hardware, Commercial
CAGE: 02432 — AMERICAN LAUNDRY MACHINERY INC (USA)
SPECIFICATIONS
NSN5340-00-498-6611
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 A7057 MFR OEM Platinum
KEY FEATURES
•
OUTSIDE/TOP FLANGE DIAMETER: 1.000 INCHES NOMINAL IN
•
FASTENING DEVICE TYPE: BOLTS
•
SHANK LENGTH: 1.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT RECESSED TOP THREADED STUD
•
THREAD SIZE: 5/16-18
•
FASTENING DEVICE SIZE: 5/16-18, 1-1/2IN. LG IN
•
MATERIAL: RUBBER
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 HEIGHT2.313 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.000 INCHES NOMINAL IN
FASTENING DEVICE TYPEBOLTS
SHANK LENGTH1.500 INCHES NOMINAL IN
STYLE DESIGNATORFLAT RECESSED TOP THREADED STUD
THREAD SIZE5/16-18
FASTENING DEVICE SIZE5/16-18, 1-1/2IN. LG IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 2
1042480Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A53609Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 A7057?
A7057 is a POWER SUPPLY.
What parts can replace A7057?
There are 2 known substitutes for A7057: 1042480, A53609. Substitute compatibility should be verified for your specific system.
What is the NSN for A7057?
A7057 is cataloged in the U.S. Government catalog under NSN 5340-00-498-6611. 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.