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395473-B21 — HP 500-GB 1.5g 7.2k 3.5 SATA HDD

✓ Government record, cited
HP · STORAGE_HDD · 3.5_SATA_HDD
PRODUCT OVERVIEW
HP 500-GB 1.5G 7.2K 3.5 SATA HDD

395473-B21: HP 500-GB 1.5g 7.2k 3.5 SATA HDD.

A Hewlett Packard equivalent 500GB, SATA Hot Plug Hard Drive - 7,200 RPM, 3.5-inch form factor. From Hypertec. The unit ships in a LFF form factor suitable for standard rack-mount installations.

This part is cataloged in the U.S. Government catalog under NSN 7025-01-544-1152, 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→ LFF BAY→ 395473-B21
NSN: 7025-01-544-1152
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number395473-B21
ManufacturerHP
Form FactorLFF
Speed7.2K RPM
NSN7025-01-544-1152
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COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K RPM 395473-B21 HP 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 RPM 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 395473-B21 MFR HP
KEY FEATURES
•
LFF Form Factor
•
7.2K RPM Speed
•
DESIGN TYPE: HARD DISK
•
DRIVE QUANTITY: 1
•
DRIVE SIZE: 3.50
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
OVERALL HEIGHT1.040 INCHES NOMINAL IN
DESIGN TYPEHARD DISK
DRIVE QUANTITY1
OVERALL LENGTH7.250 INCHES NOMINAL IN
DRIVE SIZE3.50
OVERALL WIDTH4.360 INCHES NOMINAL IN
SPECIAL FEATURESINTERFACE SERIAL ATA, SINGLE TRACK, OP TEMP 41 TO 131 DEGREES FARENHEIT
PART NAME ASSIGNED BY CONTROLLING AGENCYSERIAL ATA HARD DRIVE
DATA STORAGE CAPACITY500.00 GIGABYTES
UNIT DESIGNINTERNAL
OTHER ITEMS IN FSC 7025 — Information Technology Input/output and Storage Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7025-00-001-2681 7025-00-001-5588 7025-00-001-6998 7025-00-001-6999 7025-00-001-7000 7025-00-001-7025 7025-00-001-7026 7025-00-001-7027
SUBSTITUTES & CROSS-REFERENCES 13
5180-11-041Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
395501001SubstituteBROKER-VERIFIED
HP 500-GB 1.5g 7.2k 3.5 SATA HDD
substitute
394573-B21CompatiblePARTNER
HP 500Gb SATA 1.5G 7.2K LFF HDD should be 395473-B21
compatible
395474-001CompatiblePARTNER
HP 500GB SATA 1.5g 7.2k LFF St HDD
compatible
395501-002CompatiblePARTNER
HP 500GB SATA 1.5g 7.2k LFF St HDD
compatible
397377-005CompatiblePARTNER
HP 500GB SATA 1.5g 7.2k LFF St HDD
compatible
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
THIS PART SUBSTITUTES FOR 20
GB0500C4413SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
MB0500CBEPQSUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
394573-B21SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
395474-001SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
395501-001SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
395501-002SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
397377-005SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
397377-008SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
397906-001SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
404654-001SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
404654-002SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
404469-B21SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
407525-004SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
416496-001SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
416509-001SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
431689-003SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
431689-002SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
432337-002SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
432337-004SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
432496-001SUBSTITUTE
HP 500Gb SATA 1.5G 7.2K LFF ST HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 395473-B21?
395473-B21 is a HP 500-GB 1.5g 7.2k 3.5 SATA HDD manufactured by HP. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 395473-B21?
There are 13 known substitutes for 395473-B21: 5180-11-041, 395501001, 394573-B21 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 395473-B21?
395473-B21 is cataloged in the U.S. Government catalog under NSN 7025-01-544-1152. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.