The Converter,telegraph-Telephone Si, cataloged under National Stock Number 5805-01-176-4924, is classified within Federal Supply Class 5805 (Telephone and Telegraph Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5805-01-176-4924 |
| Item Name | Converter,telegraph-Telephone Si |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Status | ACTIVE |
| Received Line Signal Frequency Rating | 2400.0 HERTZ MINIMUM AND 2600.0 HERTZ MAXIMUM |
| Overall Diameter | 11.500 INCHES NOMINAL IN |
| Communication Circuit Quantity | 4 |
| Functional Description | SS-1 RECEIVER UNIT RECEIVES ONE DUAL SIGNAL TONE WHICH CONVERTS TO 4 DIFFERENT SIGNALING CODES CAPABLE OF SIGNALLING 4 TELEPHONE LINES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 111013-003 | 3/2 Design control — primary reference U.S. Government activity |
| 111013-003 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| CV-3870/G | 5/2 Secondary reference U.S. Government activity |
NSN 5805-01-176-4924 is a Converter,telegraph-Telephone Si, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
Key specifications for 5805-01-176-4924: Overall Height: 5.218 INCHES NOMINAL IN; Received Line Signal Frequency Rating: 2400.0 HERTZ MINIMUM AND 2600.0 HERTZ MAXIMUM; Overall Diameter: 11.500 INCHES NOMINAL IN; Overall Width: 3.344 INCHES NOMINAL IN. 4 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 5805-01-176-4924 has DEMIL Code Q. 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.