The Equalizer,telephone Line, cataloged under National Stock Number 5805-01-226-4083, 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 Lockheed Martin Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5805-01-226-4083 |
| Primary Part Number | 68399120-001 |
| Item Name | Equalizer,telephone Line |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Audio Frequency Range in Hertz | +200.0 TO 4000.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 68399120-001 | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 900000600 | 3/9 Design control — primary reference Nusan Corp |
NSN 5805-01-226-4083 is a Equalizer,telephone Line, manufactured by Lockheed Martin Corporation, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
NSN 5805-01-226-4083 has 1 manufacturer part number on file: 68399120-001 (Lockheed Martin Corporation).
Key specifications for 68399120-001: Criticality Code Justification: FEAT; Audio Frequency Range in Hertz: +200.0 TO 4000.0; Special Features: ELECTROSTATIC SENSITIVE DEVICE; End Item Identification: AN/TSQ-111. 2 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 5805-01-226-4083 has DEMIL Code B. 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.