The Receiver-Amplifier, cataloged under National Stock Number 5840-01-164-2385, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5840-01-164-2385 |
| Primary Part Number | 77C725831G3 |
| Item Name | Receiver-Amplifier |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| General Characteristics Item Description | C/O ATTENUATOR 6; AMPLIFIER,LOW NOISE 3; VOLTAGE REGULATOR 1; ISOLATOR1; MIXER 2; CHASSIS 1; CABLE ASSY 26 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 77C725831G3 | Serco Limited (GBR) |
| 77C725831G3 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77D609702 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
| 77D609702G3 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
| 77D609702G003 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
NSN 5840-01-164-2385 is a Receiver-Amplifier, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-164-2385 has 2 manufacturer part numbers on file: 77C725831G3 (Serco Limited), 77C725831G3 (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 5840-01-208-1097. Verify interchangeability with system specifications before substitution.
Key specifications for 77C725831G3: General Characteristics Item Description: C/O ATTENUATOR 6; AMPLIFIER,LOW NOISE 3; VOLTAGE REGULATOR 1; ISOLATOR1; MIXER 2; CHASSIS 1; CABLE ASSY 26; End Item Identification: RADAR SET AN/TPS-59A(V)3 A. 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.
NSN 5840-01-164-2385 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.