The Central Office,tele, cataloged under National Stock Number 5805-01-331-1975, 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 General Dynamics Mission Systems, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5805-01-331-1975 |
| Primary Part Number | SM-D-823000 |
| Item Name | Central Office,tele |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Manufacturer | General Dynamics Mission Systems, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 120/208 VAC;50/60 HZ;3 PHASE; 22.6 KW;32.3 KVA;OVERALL DIMENSIONS,180 IN.LG;88 IN.W;84 IN.H VAC |
| Functional Description | PROVIDES A BROAD SCOPE OF AUTO- MATIC CIRCUIT SWITCHING SERVICES AND NODAL CONTROL FUNCTIONS FOR ANALOG ANDDIGITAL SUBSCRIBER TRAFFIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| SM-D-823000 PRIMARY | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SM-D-823000 | 3/2 Design control — primary reference U.S. Government activity |
| AN/TTC-39A(V)4 | 5/2 Secondary reference U.S. Government activity |
NSN 5805-01-331-1975 is a Central Office,tele, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
NSN 5805-01-331-1975 has 1 manufacturer part number on file: SM-D-823000 (General Dynamics Mission Systems, Inc.).
Key specifications for SM-D-823000: General Characteristics Item Description: 120/208 VAC;50/60 HZ;3 PHASE; 22.6 KW;32.3 KVA;OVERALL DIMENSIONS,180 IN.LG;88 IN.W;84 IN.H VAC; Special Features: COMBINES DIGITAL NODAL CONTROL,ACCESS AND TELEPHONE SWITCH FUNCTIONS IN ONE EQUIPMENT; Functional Description: PROVIDES A BROAD SCOPE OF AUTO- MATIC CIRCUIT SWITCHING SERVICES AND NODAL CONTROL FUNCTIONS FOR ANALOG ANDDIGITAL SUBSCRIBER TRAFFIC. 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 5805-01-331-1975 has DEMIL Code F. 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.