PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / BL540B
BL540B ✓ Verified by PartsTable
— · STORAGE_HDD · 3.5_SATA_HDD
WHAT YOU NEED TO KNOW
SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW

The TRANSPORT,MAGNETIC TAPE is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include unit_design: RACK MOUNTED, overall_width: 18.900 INCHES NOMINAL IN, overall_height: 6.900 INCHES NOMINAL IN, overall_length: 31.700 INCHES NOMINAL IN, physical_tape_format_type: CARTRIDGE, voltage_in_volts_and_current_type: 120.0 AC AND 230.0 AC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-632-1213, 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→ 3.5_SATA_HDD→ BL540B
NSN: 7025-01-632-1213
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
unit_designRACK MOUNTED
overall_width18.900 INCHES NOMINAL IN
overall_height6.900 INCHES NOMINAL IN
overall_length31.700 INCHES NOMINAL IN
physical_tape_format_typeCARTRIDGE
voltage_in_volts_and_current_type120.0 AC AND 230.0 AC
part_name_assigned_by_controlling_agencyTAPE LIBRARY
NSN7025-01-632-1213
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K BL540B OEM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | — | NL-SAS 7.2K NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN BL540B MFR OEM
KEY FEATURES
•
UNIT DESIGN: RACK MOUNTED
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 120.0 AC AND 230.0 AC
•
PHYSICAL TAPE FORMAT TYPE: CARTRIDGE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH18.900 INCHES NOMINAL IN
OVERALL LENGTH31.700 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYTAPE LIBRARY
UNIT DESIGNRACK MOUNTED
VOLTAGE IN VOLTS AND CURRENT TYPE120.0 AC AND 230.0 AC
OVERALL HEIGHT6.900 INCHES NOMINAL IN
PHYSICAL TAPE FORMAT TYPECARTRIDGE
OVERALL WIDTH18.900 INCHES NOMINAL IN
OVERALL LENGTH31.700 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYTAPE LIBRARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
695111-001Compatible
HP MSL LTO-5 Ultrium 3000 SAS Drive
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
BL540ASUBSTITUTE
HP MSL LTO-5 Ultrium 3000 SAS Drive Upgrade Kit
HPE
603881-001SUBSTITUTE
HP MSL LTO-5 Ultrium 3000 SAS Drive Upgrade Kit
HPE
695111-001SUBSTITUTE
HP MSL LTO-5 Ultrium 3000 SAS Drive Upgrade Kit
HPE
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FREQUENTLY ASKED QUESTIONS
What is BL540B?
BL540B is a TRANSPORT,MAGNETIC TAPE. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace BL540B?
There is 1 known substitute for BL540B: 695111-001. Substitute compatibility should be verified for your specific system.
What is the NSN for BL540B?
BL540B is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-632-1213. 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