The Disk Drive Unit, cataloged under National Stock Number 7025-01-697-5340, 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 Lockheed Martin Corporation Div Rms. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). 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 | Lockheed Martin Corporation Div Rms (CAGE 03538) |
| Parameter | Value |
|---|---|
| NSN | 7025-01-697-5340 |
| Primary Part Number | 77C740178G136 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL P — Demil Prior To Sale/Transfer |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JM |
| Part Number | Manufacturer |
|---|---|
| 77C740178G136 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C740178 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms |
| 77C740178/DRIVEASSY G136 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
NSN 7025-01-697-5340 is a Disk Drive Unit, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-697-5340 has 1 manufacturer part number on file: 77C740178G136 (Lockheed Martin Corporation Div Rms).
4 possible matches (shared part number, not a government interchangeability claim): 7025-01-697-5984, 7025-01-697-5985, 7025-01-697-5988. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 7025-01-697-5340 has DEMIL Code P. Demilitarization may be required before disposal or transfer to non-military entities.
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.