The Disk Drive Unit, cataloged under National Stock Number 7025-01-548-5721, 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 - Manassas. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 7025-01-548-5721 |
| Primary Part Number | B1175 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | YH |
| Weight | 4.3000 lbs |
| Cube | 0.5172 cu ft |
| Part Number | Manufacturer |
|---|---|
| B1175 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| Reference | Meaning |
|---|---|
| 79C0373-01 | 5/2 Secondary reference U.S. Government activity |
| T7-9100-Q70 | 5/9 Secondary reference Breece Hill, L.l.c. Dba Maxoptix Div Breece Hill Llc |
| B1175 | 3/2 Design control — primary reference U.S. Government activity |
NSN 7025-01-548-5721 is a Disk Drive Unit, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-548-5721 has 1 manufacturer part number on file: B1175 (Lockheed Martin Corporation Div Rms - Manassas).
Key specifications for B1175: Part Name Assigned by Controlling Agency: DRIVE, R/W OPTICAL 5.2GB GB; End Item Identification: OJ-721(V)7/U AWS DDG2313 ONLY(8217757-1), AN/UYQ-70(V) ADV DISPLAY SYSTEM N/A FOR COSAL USE. 0 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.
NSN 7025-01-548-5721 has DEMIL Code D. 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.