The Disk Drive Unit, cataloged under National Stock Number 7025-01-591-6137, 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 Crystal Group, Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-591-6137 |
| Primary Part Number | HDD-00469 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Crystal Group, Inc |
| Status | ACTIVE |
| Design Type | HARD DISK |
| Drive Quantity | 1 |
| Data Storage Capacity | 600.00 GIGABYTES |
| Unit Design | INTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | D |
| Weight | 0.1200 lbs |
| Cube | 0.0060 cu ft |
| Part Number | Manufacturer |
|---|---|
| HDD-00469 PRIMARY | Crystal Group, Inc (USA) |
| Reference | Meaning |
|---|---|
| ST600MM0088 | 5/9 Secondary reference Seagate Technology |
| HDD-00052 | 5/9 Secondary reference Crystal Group, Inc |
| HDD-00184 | 5/9 Secondary reference Crystal Group, Inc |
| HDD-00330 | 5/9 Secondary reference Crystal Group, Inc |
| HDD-00113 | 3/9 Design control — primary reference Crystal Group, Inc |
| HDD-00223 | 5/9 Secondary reference Crystal Group, Inc |
NSN 7025-01-591-6137 is a Disk Drive Unit, manufactured by Crystal Group, Inc, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-591-6137 has 1 manufacturer part number on file: HDD-00469 (Crystal Group, Inc).
Key specifications for HDD-00469: Design Type: HARD DISK; Drive Quantity: 1; Part Name Assigned by Controlling Agency: OEM HARD DRIVE; End Item Identification: 7435160-00(90536), NETWORK RACK, AND CMS-00082(1LTM5), SI WORKSTATION. 4 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.