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PartsTable / COMPONENT / 3315458 PIECE 1L
3315458 PIECE 1L ✓ 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 end_item_identification: MOTOR AXIAL PSTN 21.75CIR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-165-3177, 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
3315458 PIECE 1L
NSN: 4820-01-165-3177
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identificationMOTOR AXIAL PSTN 21.75CIR
NSN4820-01-165-3177
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 3315458 PIECE 1L MFR OEM Platinum
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)
END ITEM IDENTIFICATIONMOTOR AXIAL PSTN 21.75CIR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
68016Interchangeable
interchangeable cross-reference
interchangeable
P23Y21Interchangeable
interchangeable cross-reference
interchangeable
57032Interchangeable
interchangeable cross-reference
interchangeable
8891-16DInterchangeable
interchangeable cross-reference
interchangeable
MS87020-16Interchangeable
interchangeable cross-reference
interchangeable
84912-B PIECE 16Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3315458 PIECE 1L?
3315458 PIECE 1L is a POWER SUPPLY ASSEMBLY.
What parts can replace 3315458 PIECE 1L?
There are 9 known substitutes for 3315458 PIECE 1L: 68016, P23Y21, 57032 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3315458 PIECE 1L?
3315458 PIECE 1L is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-165-3177. 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