The Amplifier-Modulator, cataloged under National Stock Number 5820-01-256-2138, 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 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5820-01-256-2138 |
| Item Name | Amplifier-Modulator |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Status | ACTIVE |
| FSC Application Data | TRANSMITTER,TEST TRANSPONDER 1830-01-034-9761 |
| Supplementary Features | E/I: AN/GKC-1(V) SATELLITE TRACKING SET; USAGE DESIGN: MODULE ASSY,LINK 1 MODULATOR-MULTIPLIER |
| Reference Data and Literature | T.O. 31S1-2GKC-134 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 91-275643-01 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Space |
| 91-275643-01 | 3/9 Design control — primary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
NSN 5820-01-256-2138 is a Amplifier-Modulator, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
Key specifications for 5820-01-256-2138: FSC Application Data: TRANSMITTER,TEST TRANSPONDER 1830-01-034-9761; Supplementary Features: E/I: AN/GKC-1(V) SATELLITE TRACKING SET; USAGE DESIGN: MODULE ASSY,LINK 1 MODULATOR-MULTIPLIER; Reference Data and Literature: T.O. 31S1-2GKC-134. 3 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 5820-01-256-2138 has DEMIL Code C. 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.