The Disk Drive Unit, cataloged under National Stock Number 7025-01-475-0171, 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 Nec Electronics Usa Inc Microcomputer Div Advanced Circuits Engineering. Government technical data includes 6 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-475-0171 |
| Primary Part Number | D3142 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Nec Electronics Usa Inc Microcomputer Div Advanced Circuits Engineering |
| Status | ACTIVE |
| Access Time in Milliseconds | 8.0 |
| Tracks Per Inch | 850.0 |
| Transfer Rate in Megabytes Per Second | 5.0 |
| Head Type and Quantity | 8 READ/WRITE |
| Data Storage Capacity | 42.00 MEGABYTES |
| Sector Type and Quantity | 17 HARD |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| D3142 PRIMARY | Nec Electronics Usa Inc Microcomputer Div Advanced Circuits Engineering (USA) |
NSN 7025-01-475-0171 is a Disk Drive Unit, manufactured by Nec Electronics Usa Inc Microcomputer Div Advanced Circuits Engineering, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-475-0171 has 1 manufacturer part number on file: D3142 (Nec Electronics Usa Inc Microcomputer Div Advanced Circuits Engineering).
Key specifications for D3142: Access Time in Milliseconds: 8.0; Overall Height: 41.3 MILLIMETERS NOMINAL MM; Tracks Per Inch: 850.0; Transfer Rate in Megabytes Per Second: 5.0. 6 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.