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Technical Data Sheet
PartsTable / COMPONENT / S45,2.5 IN
S45,2.5 IN ✓ Verified by PartsTable
— · DRIVE SFF
WHAT YOU NEED TO KNOW
SAS backplane accepts SATA drives (not vice versa) Buy with tray when possible — saves cost vs separate tray
ALWAYS ASK: "Does it come with tray/caddy?"
PRODUCT OVERVIEW

The S45,2.5 IN is a the manufacturer industrial component. The unit ships in a SFF form factor suitable for standard rack-mount installations. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-055-4059, 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
SFF BAY→ S45,2.5 IN
NSN: 4320-01-055-4059
FSC: 4320
CAGE: 52694 — ARMSTRONG PUMPS INC (USA)
SPECIFICATIONS
Part NumberS45,2.5 IN
Form FactorSFF
NSN4320-01-055-4059
COMPONENT DIAGRAM
LATCH — SAS — S45,2.5 IN SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen — SAS — S45,2.5 IN BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | — | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN S45,2.5 IN CAP — SAS
KEY FEATURES
•
SFF Form Factor
•
DISCHARGE CONNECTION QUANTITY: 1
•
STAGE QUANTITY: 1
•
PUMP QUANTITY: 1
•
CENTRIFUGAL PUMP DESIGN: RADIAL FLOW
•
PRIME MOVER POWER RATING: 0.250 HORSEPOWER
•
FREQUENCY IN HERTZ: 60.0
•
COOLING METHOD: AIR TO AIR COOLED
•
PHASE: SINGLE
TECHNICAL CHARACTERISTICS (FLIS)
DISCHARGE CONNECTION QUANTITY1
STAGE QUANTITY1
PUMP QUANTITY1
CENTRIFUGAL PUMP DESIGNRADIAL FLOW
PRIME MOVER POWER RATING0.250 HORSEPOWER
FREQUENCY IN HERTZ60.0
COOLING METHODAIR TO AIR COOLED
PHASESINGLE
VOLTAGE IN VOLTS115.0
CENTRIFUGAL PUMP IMPELLER QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
45Interchangeable
interchangeable cross-reference
interchangeable
S45Interchangeable
interchangeable cross-reference
interchangeable
579R314H02Interchangeable
interchangeable cross-reference
interchangeable
13207E3410FN134Interchangeable
interchangeable cross-reference
interchangeable
004-003005-056Interchangeable
interchangeable cross-reference
interchangeable
201WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S45,2.5 IN?
S45,2.5 IN is a S45,2.5 IN.
What parts can replace S45,2.5 IN?
There are 14 known substitutes for S45,2.5 IN: 45, S45, 579R314H02 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S45,2.5 IN?
S45,2.5 IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-055-4059. 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