The Telephone Set, cataloged under National Stock Number 5805-01-419-9723, is classified within Federal Supply Class 5805 (Telephone and Telegraph Equipment) 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Telephone Set |
| FSC / FSG | 5805 — Telephone and Telegraph Equipment (FSG 58) |
| Manufacturers | Lucent Technologies Inc Corporate Headquarters (CAGE 3B4M0) |
| Parameter | Value |
|---|---|
| NSN | 5805-01-419-9723 |
| Primary Part Number | MLX-20L |
| Item Name | Telephone Set |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MLX-20L PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| PEC-3156-05B | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| PEC-3156-05B | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| PEC-3156-05B | 5/9 Secondary reference American Telephone and Telegraph Co |
| MLX-20L | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| MLX-20L | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 5805-01-419-9723 is a Telephone Set, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
NSN 5805-01-419-9723 has 2 manufacturer part numbers on file: MLX-20L (Lucent Technologies Inc Corporate Headquarters), PEC-3156-05B (Lucent Technologies Inc Corporate Headquarters).
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.