The Telephone,secure Unit, cataloged under National Stock Number 5810-01-330-6547, is classified within Federal Supply Class 5810 (Communications Security Equipment and Components) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5810-01-330-6547 |
| Primary Part Number | 0N483000-100 |
| Item Name | Telephone,secure Unit |
| FSC / FSG | 5810 / 58 — Communications Security Equipment and Components |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0N483000-100 | Lucent Technologies Inc Corporate Headquarters (USA) |
| 3111-100 | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 0N483000-100 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 3111-100 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 3111-100 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 0N483000-100 | 5/9 Secondary reference American Telephone and Telegraph Co |
| STU-III SECURITY PLUS ENCRYPTOR | 3/2 Design control — primary reference U.S. Government activity |
NSN 5810-01-330-6547 is a Telephone,secure Unit, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5810, Communications Security Equipment and Components. Status: active.
NSN 5810-01-330-6547 has 2 manufacturer part numbers on file: 0N483000-100 (Lucent Technologies Inc Corporate Headquarters), 3111-100 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for 0N483000-100: End Item Identification: CSLA/OBS. 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 5810-01-330-6547 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.