The Receiver-Transmitter,radar, cataloged under National Stock Number 5841-00-149-1319, is classified within Federal Supply Class 5841 (Radar Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Rex Systems Incorporated Dba Rex Systems Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5841-00-149-1319 |
| Primary Part Number | 4023400-0503 |
| Item Name | Receiver-Transmitter,radar |
| FSC / FSG | 5841 / 58 — Radar Equipment, Airborne |
| Manufacturer | Rex Systems Incorporated Dba Rex Systems Inc |
| Status | ACTIVE |
| FSC Application Data | TRANSPONDER SET, IDENTIFICATION |
| Phase | SINGLE FIRST ALTERNATE OPERATING POWER RQMT |
| AC Voltage Rating | 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Transmitter Channel Quantity | 1 |
| DC Voltage Rating | 28.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Joint Electronics Type Designation System Item Type Number | RT-859/APX-72 |
| Transmitted Signal Frequency Rating | 1090.0 MEGAHERTZ NOMINAL |
| Joint Electronics Type Designation System Item Name | RECEIVER-TRANSMITTER, RADIO |
| Electrical Power Source Relationship | OPERATING |
| Receiver Channel Quantity | 1 |
| Received Signal Frequency Rating | 1030.0 MEGAHERTZ NOMINAL |
| Frequency Rating | 400.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Transmitter Band Quantity | 1 |
| Receiver Band Quantity | 1 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 4023400-0503 | Raytheon Company Dba Raytheon Co (USA) |
| 4023400-0503 | Sypris Electronics, Llc Dba Sypris Electronics Llc (USA) |
| 4023400-0503 PRIMARY | Rex Systems Incorporated Dba Rex Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| RT859A/APX-72 | 5/2 Secondary reference U.S. Government activity |
| 5841PL0171604 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4023400-0503 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5841-00-149-1319 is a Receiver-Transmitter,radar, manufactured by Rex Systems Incorporated Dba Rex Systems Inc, classified under FSC 5841, Radar Equipment, Airborne. Status: active.
NSN 5841-00-149-1319 has 3 manufacturer part numbers on file: 4023400-0503 (Raytheon Company Dba Raytheon Co), 4023400-0503 (Sypris Electronics, Llc Dba Sypris Electronics Llc), 4023400-0503 (Rex Systems Incorporated Dba Rex Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5841-00-160-2198. Verify interchangeability with system specifications before substitution.
Key specifications for 4023400-0503: Overall Height: 6.110 INCHES NOMINAL IN; FSC Application Data: TRANSPONDER SET, IDENTIFICATION; Phase: SINGLE FIRST ALTERNATE OPERATING POWER RQMT; AC Voltage Rating: 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT. 14 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 5841-00-149-1319 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.