The Telephone Circuit,operator's, cataloged under National Stock Number 5805-01-644-5780, is classified within Federal Supply Class 5805 (Telephone and Telegraph Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5805-01-644-5780 |
| Item Name | Telephone Circuit,operator's |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| OPTIPLEX XE | 3/9 Design control — primary reference Dell Computer Corp |
NSN 5805-01-644-5780 is a Telephone Circuit,operator's, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7021-01-659-5309. Verify interchangeability with system specifications before substitution.
Key specifications for 5805-01-644-5780: Part Name Assigned by Controlling Agency: CONSOLIDATED EMERGENCY RESPONSE SYSTEM. 0 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.
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.