The Converter,telegraph-Telephone Si, cataloged under National Stock Number 5805-01-054-5030, is classified within Federal Supply Class 5805 (Telephone and Telegraph Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5805-01-054-5030 |
| Item Name | Converter,telegraph-Telephone Si |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Status | ACTIVE |
| Received Line Signal Frequency Rating | 2400.0 HERTZ NOMINAL |
| Switchboard Side Current Type | DC |
| Signal Type | RING DOWN |
| Transmitted Line Signal Frequency Rating | 2600.0 HERTZ NOMINAL |
| Communication Circuit Quantity | 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 111013-001 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 270AD140-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 270AD140 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 324976 | 5/2 Secondary reference U.S. Government activity |
| 270AD140 | 5/9 Secondary reference U.S. Government activity |
| 111013-001 | 3/2 Design control — primary reference U.S. Government activity |
| CV-3475/FSA-52(V) | 5/2 Secondary reference U.S. Government activity |
| 270AD140-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5805-01-054-5030 is a Converter,telegraph-Telephone Si, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2530-01-310-2121, 2530-01-318-4176. Verify interchangeability with system specifications before substitution.
Key specifications for 5805-01-054-5030: Overall Height: 5.218 INCHES NOMINAL IN; Received Line Signal Frequency Rating: 2400.0 HERTZ NOMINAL; Switchboard Side Current Type: DC; Signal Type: RING DOWN. 5 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 5805-01-054-5030 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.