The Amplifier-Modulator Group, cataloged under National Stock Number 5840-01-522-4519, 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 Leonardo Us Cyber and Security Solutions, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5840-01-522-4519 |
| Primary Part Number | 030004-0001-ILS2100 |
| Item Name | Amplifier-Modulator Group |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Leonardo Us Cyber and Security Solutions, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 030004-0001-ILS2100 PRIMARY | Leonardo Us Cyber and Security Solutions, Llc (USA) |
| Reference | Meaning |
|---|---|
| 030667-0001 | 5/9 Secondary reference Leonardo Us Cyber and Security Solutions, Llc |
| 030004-0001 | C/1 Advisory reference — outside the item-of-supply concept Leonardo Us Cyber and Security Solutions, Llc |
| 5840PL1538570 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5840PL0684872 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5840-01-522-4519 is a Amplifier-Modulator Group, manufactured by Leonardo Us Cyber and Security Solutions, Llc, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-522-4519 has 1 manufacturer part number on file: 030004-0001-ILS2100 (Leonardo Us Cyber and Security Solutions, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6605-01-622-1748. Verify interchangeability with system specifications before substitution.
Key specifications for 030004-0001-ILS2100: Part Name Assigned by Controlling Agency: RF AMPL/MDLTR ASSY; End Item Identification: INSTRUMENT LANDING SYSTEM (ILS 2100). 0 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 5840-01-522-4519 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.