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2587781 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The IBM 139GB 15K SAS Disk Drive is a the manufacturer hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include overall_width: 2.593 INCHES NOMINAL IN, overall_height: 1.750 INCHES NOMINAL IN, overall_length: 10.995 INCHES NOMINAL IN, special_features: WIRE LEAD 7;THREE 6-32 UNC-2A MTG STUDS A, component_type_and_quantity: 1 RELAY AND 6 TERMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-164-6447, 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
2587781
NSN: 5945-00-164-6447
FSC: 5945
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
overall_width2.593 INCHES NOMINAL IN
overall_height1.750 INCHES NOMINAL IN
overall_length10.995 INCHES NOMINAL IN
special_featuresWIRE LEAD 7;THREE 6-32 UNC-2A MTG STUDS A
component_type_and_quantity1 RELAY AND 6 TERMINAL
NSN5945-00-164-6447
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR CAP: 139GB SPEED: 15K RPM IBM 139GB 15K SAS Disk Drive TITLE COMPONENT PN 2587781 MFR IBM 139GB 15K SAS Disk
KEY FEATURES
•
139GB Capacity
•
15K RPM Speed
•
COMPONENT TYPE AND QUANTITY: 1 RELAY AND 6 TERMINAL
TYPICAL APPLICATIONS
  • Enterprise storage arrays and SANs
  • Direct-attached storage (DAS) expansion
  • Database tier storage (OLTP, OLAP)
  • Virtual machine datastore expansion
  • Backup-to-disk and disaster recovery targets
  • Content delivery and media streaming storage
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH10.995 INCHES NOMINAL IN
SPECIAL FEATURESWIRE LEAD 7;THREE 6-32 UNC-2A MTG STUDS A
OVERALL HEIGHT1.750 INCHES NOMINAL IN
COMPONENT TYPE AND QUANTITY1 RELAY AND 6 TERMINAL
OVERALL WIDTH2.593 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3677Interchangeable
IBM 139GB 15K SAS Disk Drive
interchangeable
DYND50221Interchangeable
interchangeable cross-reference
interchangeable
272SC204Interchangeable
interchangeable cross-reference
interchangeable
90-24Interchangeable
interchangeable cross-reference
interchangeable
1383Interchangeable
interchangeable cross-reference
interchangeable
S55BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2587781?
2587781 is a IBM 139GB 15K SAS Disk Drive.
What parts can replace 2587781?
There are 15 known substitutes for 2587781: 3677, DYND50221, 272SC204 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2587781?
2587781 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-164-6447. 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