The Telephone Circuit,trunk Relay, cataloged under National Stock Number 5805-00-451-5121, is classified within Federal Supply Class 5805 (Telephone and Telegraph Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5805-00-451-5121 |
| Item Name | Telephone Circuit,trunk Relay |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Status | ACTIVE |
| Mounting Configuration | 12 CAPTIVE MOUNTING SCREWS |
| 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 |
|---|---|
| J58824BC2 | 3/1 Design control — primary reference Lucent Technologies Inc Corporate Headquarters |
| J58824BC2 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
NSN 5805-00-451-5121 is a Telephone Circuit,trunk Relay, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
Key specifications for 5805-00-451-5121: Overall Height: 4.125 INCHES NOMINAL IN; Overall Length: 23.000 INCHES NOMINAL IN; Overall Width: 5.875 INCHES NOMINAL IN; Special Features: FOUR CIRCUITS;DESIGNED FOR 48 V SWITCHBOARD;STEEL CASE;4 TERMINALS,RECEPTACLE V. 1 specification is 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.