The Disk Drive Unit, cataloged under National Stock Number 7025-01-684-5473, 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 Winchester Systems 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 7025-01-684-5473 |
| Primary Part Number | RF2U12S1+12S30T |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Winchester Systems Inc. |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 100.0 AC |
| Design Type | DISK PACK |
| Operating Temp Range | +0.0 TO 40.0 CELSIUS DEGC |
| Unit Design | RACK MOUNTED |
| 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 |
|---|---|
| RF2U12S1+12S30T PRIMARY | Winchester Systems Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8623737 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 7025-01-684-5473 is a Disk Drive Unit, manufactured by Winchester Systems Inc., classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-684-5473 has 1 manufacturer part number on file: RF2U12S1+12S30T (Winchester Systems Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 7025-01-688-4537, 7025-01-688-4544. Verify interchangeability with system specifications before substitution.
Key specifications for RF2U12S1+12S30T: Overall Height: 17.5 INCHES NOMINAL IN; Voltage in Volts and Current Type: 100.0 AC; Design Type: DISK PACK; Overall Length: 21.0 INCHES NOMINAL IN. 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.