The Shelf,multiplexer, cataloged under National Stock Number 5820-01-292-4522, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Shelf,multiplexer |
| FSC / FSG | 5820 — Radio and Television Communication Equipment, Except Airborne (FSG 58) |
| Manufacturers | L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products (CAGE 9U244) |
| Parameter | Value |
|---|---|
| NSN | 5820-01-292-4522 |
| Primary Part Number | 257-0010 |
| Item Name | Shelf,multiplexer |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 257-0010 PRIMARY | L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products (USA) |
| Reference | Meaning |
|---|---|
| 257-0010 | 3/9 Design control — primary reference Loral Terracom Div of Loral Corp |
NSN 5820-01-292-4522 is a Shelf,multiplexer, manufactured by L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-01-292-4522 has 1 manufacturer part number on file: 257-0010 (L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-700-8265. Verify interchangeability with system specifications before substitution.
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 5820-01-292-4522 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.