The Disk Drive Unit, cataloged under National Stock Number 7025-01-686-9121, 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 Heartland Services, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 — Information Technology Input/output and Storage Devices (FSG 70) |
| Manufacturers | Heartland Services, Inc. (CAGE 1TAN1) |
| Parameter | Value |
|---|---|
| NSN | 7025-01-686-9121 |
| Primary Part Number | CF-VDM311U |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Heartland Services, Inc. |
| Status | ACTIVE |
| 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 | J |
| Part Number | Manufacturer |
|---|---|
| CF-VDM311U PRIMARY | Heartland Services, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8502112 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 7025-01-686-9121 is a Disk Drive Unit, manufactured by Heartland Services, Inc., classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-686-9121 has 1 manufacturer part number on file: CF-VDM311U (Heartland Services, Inc.).
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.