PartsTable
Technical Data Sheet
15B4 ✓ Verified by PartsTable
· 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

IBM 17.54GB 10K RPM Ultra SCSI Disk Unit. Key specifications include material: IRON CAST BODY, body_design: ANGLE PATTERN, design_type: THERMOSTATIC, thread_direction: RIGHT-HAND BOTH INLET AND OUTLET, surface_treatment: PAINT, inlet_connection_type: FEMALE IRON PIPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1796, 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 15B4
NSN: 3110-00-156-1796
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialIRON CAST BODY
body_designANGLE PATTERN
design_typeTHERMOSTATIC
thread_directionRIGHT-HAND BOTH INLET AND OUTLET
surface_treatmentPAINT
inlet_connection_typeFEMALE IRON PIPE
outlet_connection_typeFEMALE IRON PIPE
maximum_steam_working_pressureERR-060
screw_thread_series_designatorNPT BOTH INLET AND OUTLET
NSN3110-00-156-1796
COMPONENT DIAGRAM
LABEL 17.54GB 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 17.54GB | 7200 / 10K / 15K RPM FORM FACTOR — 2.5" Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 15B4 MFR IBM 17.54GB 10K RPM Ultra SCSI Disk Unit
KEY FEATURES
17.54GB Capacity
10K RPM Speed
SURFACE FINISH: GROUND
ALIGNMENT TYPE: RIGID
STYLE DESIGNATOR: GROOVED RACE SURFACE
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
BORE SMALLEST DIAMETER: 2.5000 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
OVERALL OUTSIDE DIAMETER: 3.7187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
ALIGNMENT TYPERIGID
STYLE DESIGNATORGROOVED RACE SURFACE
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
OVERALL HEIGHT1.0000 INCHES NOMINAL IN
BORE SMALLEST DIAMETER2.5000 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER3.7187 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
AN500-8-4Interchangeable
interchangeable cross-reference
interchangeable
20506-92Interchangeable
interchangeable cross-reference
interchangeable
131954Interchangeable
interchangeable cross-reference
interchangeable
4318PInterchangeable
interchangeable cross-reference
interchangeable
4318Interchangeable
IBM 17.54GB 10K RPM Ultra SCSI Disk Unit
interchangeable
4308Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15B4?
15B4 is a IBM 17.54GB 10K RPM Ultra SCSI Disk Unit. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 15B4?
There are 26 known substitutes for 15B4: AN500-8-4, 20506-92, 131954 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15B4?
15B4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1796. This indicates validated use in U.S. government and defense supply chains.
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