The Receiver-Transmitter,radio, cataloged under National Stock Number 5820-01-620-4654, 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 Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-01-620-4654 |
| Primary Part Number | B6550 |
| Item Name | Receiver-Transmitter,radio |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| B6550 PRIMARY | Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems (USA) |
NSN 5820-01-620-4654 is a Receiver-Transmitter,radio, manufactured by Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-01-620-4654 has 1 manufacturer part number on file: B6550 (Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems).
Key specifications for B6550: Criticality Code Justification: FEAT; Special Features: ITEM DEEMED CRITICAL PER FUNCTION AND OR APPLICATION; Part Name Assigned by Controlling Agency: TRANSCEIVER VHF AM; End Item Identification: AN/TRN-48. 1 specification is 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 5820-01-620-4654 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.