The Repeater Set,radio, cataloged under National Stock Number 5820-00-503-1230, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5820-00-503-1230 |
| Item Name | Repeater Set,radio |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Status | ACTIVE |
| Phase | SINGLE FIRST OPERATING POWER RQMT |
| Document Type | TECHNICAL MANUAL |
| AC Voltage Rating | 115.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Component Document Page Number | 315 |
| Radio Frequency Rating | 70.0 MEGAHERTZ MINIMUM AND 99.9 MEGAHERTZ MAXIMUM |
| Joint Electronics Type Designation System Item Type Number | AN/TRC-4H |
| Component Document Origin | GOVERNMENT |
| Joint Electronics Type Designation System Item Name | RADIO RELAY SET |
| Overall Gain in Decibels | 110.0 |
| Document Identification | TM11-2601 |
| Document Source | 99994 |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM FIRST OPERATING POWER RQMT |
| Operation Method | CONTINUOUS MULTIPLEXING |
| Retransmitted Signal Modulation | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ANTRC4H | 5/1 Secondary reference U.S. Government activity |
| 117X072 | 5/1 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| MILR10174 | 4/1 Identification reference U.S. Government activity |
| ANTRC4H | 2/2 Government specification standardization U.S. Government activity |
NSN 5820-00-503-1230 is a Repeater Set,radio, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5820-00-503-1405, 7690-00-537-7857. Verify interchangeability with system specifications before substitution.
Key specifications for 5820-00-503-1230: Phase: SINGLE FIRST OPERATING POWER RQMT; Document Type: TECHNICAL MANUAL; AC Voltage Rating: 115.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT; Component Document Page Number: 315. 14 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5820-00-503-1230 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.