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ST36421A — DISK DRIVE UNIT

✓ Government record, cited
— · STORAGE_HDD · 3.5_SATA_HDD
PRODUCT OVERVIEW

ST36421A: DISK DRIVE UNIT.

The DISK DRIVE UNIT is a the manufacturer hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include drive_size: 3.50, design_type: HARD DISK, unit_design: INTERNAL, overall_width: 4.020 INCHES NOMINAL IN, overall_height: 1.030 INCHES NOMINAL IN, overall_length: 5.780 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-470-7416, 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→ ST36421A
NSN: 7025-01-470-7416
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 65867 — SEAGATE TECHNOLOGY (USA)
SPECIFICATIONS
drive_size3.50
design_typeHARD DISK
unit_designINTERNAL
overall_width4.020 INCHES NOMINAL IN
overall_height1.030 INCHES NOMINAL IN
overall_length5.780 INCHES NOMINAL IN
data_storage_capacity6.45 GIGABYTES
head_type_and_quantity3 READ/WRITE
unpackaged_unit_weight1.200 POUNDS LBS
access_time_in_milliseconds10.5
NSN7025-01-470-7416
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K ST36421A 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 ST36421A MFR OEM
KEY FEATURES
•
ACCESS TIME IN MILLISECONDS: 10.5
•
DESIGN TYPE: HARD DISK
•
DRIVE SIZE: 3.50
•
HEAD TYPE AND QUANTITY: 3 READ/WRITE
•
UNPACKAGED UNIT WEIGHT: 1.200 POUNDS LBS
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
ACCESS TIME IN MILLISECONDS10.5
OVERALL HEIGHT1.030 INCHES NOMINAL IN
DESIGN TYPEHARD DISK
OVERALL LENGTH5.780 INCHES NOMINAL IN
DRIVE SIZE3.50
OVERALL WIDTH4.020 INCHES NOMINAL IN
HEAD TYPE AND QUANTITY3 READ/WRITE
UNPACKAGED UNIT WEIGHT1.200 POUNDS LBS
DATA STORAGE CAPACITY6.45 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST36421A?
ST36421A is a DISK DRIVE UNIT. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What is the NSN for ST36421A?
ST36421A is cataloged in the U.S. Government catalog under NSN 7025-01-470-7416. 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.