PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / 63-2-8
63-2-8 ✓ Verified by PartsTable
Siku · STORAGE_HDD · 2.5_SAS_HDD
WHAT YOU NEED TO KNOW
SAS HDD backplane accepts SATA drives, SATA backplane does NOT accept SAS 2.5" SAS HDDs come with or without carrier/tray — ALWAYS ASK
ALWAYS confirm carrier/tray PN — server-specific trays vary by generation
PRODUCT OVERVIEW

The IBM 141.12GB 15K RPM DISK UNIT is a Siku hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include hoist: 6.000 FEET FT, material: STEEL CORROSION RESISTING, cloth_name: BUNTING, head_style: PAN NO. 2, head_height: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN, shank_length: 0.058 INCHES NOMINAL 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 5305-00-043-6665, 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
STORAGE_HDD→ 2.5_SAS_HDD→ 63-2-8
NSN: 5305-00-043-6665
FSC: 5305
CAGE: 36024 — LIBBY POWER SYSTEMS, LLC (USA)
SPECIFICATIONS
hoist6.000 FEET FT
materialSTEEL CORROSION RESISTING
cloth_nameBUNTING
head_stylePAN NO. 2
head_height0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
shank_length0.058 INCHES NOMINAL IN
thread_class2A NUT THREAD A
head_diameter0.219 INCHES NOMINAL IN
overall_width6.110 INCHES NOMINAL IN
thread_length0.420 INCHES NOMINAL NUT THREAD IN
end_similarityIDENTICAL
fiber_materialCOTTON
NSN5305-00-043-6665
COMPONENT DIAGRAM
LABEL 141.12GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm 2.5" HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 141.12GB | 7200 / 10K / 15K RPM FORM FACTOR — 2.5" Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 63-2-8 MFR Siku IBM 141.12GB 15K RPM DISK UNIT
KEY FEATURES
•
141.12GB Capacity
•
15K RPM Speed
•
HEAD DIAMETER: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 9S STYLE
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
•
HEAD HEIGHT: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 9S STYLE
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.138 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
HEAD HEIGHT0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
THREAD LENGTH0.500 INCHES NOMINAL IN
THREAD CLASS2A A
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
0323006-01Interchangeable
interchangeable cross-reference
interchangeable
63-2-8Interchangeable
interchangeable cross-reference
interchangeable
59823Interchangeable
interchangeable cross-reference
interchangeable
2995323Interchangeable
interchangeable cross-reference
interchangeable
6838Interchangeable
interchangeable cross-reference
interchangeable
961963-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63-2-8?
63-2-8 is a IBM 141.12GB 15K RPM DISK UNIT manufactured by Siku. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 63-2-8?
There are 24 known substitutes for 63-2-8: 0323006-01, 63-2-8, 59823 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 63-2-8?
63-2-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-043-6665. 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