The Disk Drive Unit, cataloged under National Stock Number 7025-01-499-4377, is classified within Federal Supply Class 7025 (Information Technology Input/output and Storage Devices) of the General Purpose ADP Equipment group. The manufacturer of record is Western Digital Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7025-01-499-4377 |
| Primary Part Number | WD800BB |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Western Digital Corp |
| Status | ACTIVE |
| Access Time in Milliseconds | 8.9 |
| Tracks Per Inch | 63.00 |
| Interface Type | EIDE |
| Design Type | HARD DISK |
| Power Source | EXTERNAL |
| Drive Quantity | 1 |
| Head Type and Quantity | 16 READ/WRITE |
| Unpackaged Unit Weight | 1.320 POUNDS LBS |
| Data Storage Capacity | 80.03 MEGABYTES |
| Unit Design | DESK TOP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 7025-01-499-4377 is a Disk Drive Unit, manufactured by Western Digital Corp, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-499-4377 has 3 manufacturer part numbers on file: P-300012 (L3harris Imsa Systems Australia Pty Ltd L3harris Integrated Mission), P-300012 (Osi Maritime Systems Ltd), WD800BB (Western Digital Corp).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-502-8221. Verify interchangeability with system specifications before substitution.
Key specifications for WD800BB: Access Time in Milliseconds: 8.9; Overall Height: 1.028 INCHES NOMINAL IN; Tracks Per Inch: 63.00; Interface Type: EIDE. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.