The Receiving Set,radio, cataloged under National Stock Number 5821-01-334-5933, is classified within Federal Supply Class 5821 (Radio and Television Communication Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5821-01-334-5933 |
| Primary Part Number | 1980-0000-001 |
| Item Name | Receiving Set,radio |
| FSC / FSG | 5821 / 58 — Radio and Television Communication Equipment, Airborne |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Phase | THREE LOCATION NOT OTHERWISE SPECIFIED |
| AC Voltage Rating | 115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Joint Electronics Type Designation System Item Type Number | AN/ARR-502 |
| Joint Electronics Type Designation System Item Name | RECEIVING SET,RADIO |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1980-0000-001 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| Reference | Meaning |
|---|---|
| AN/ARR-502 | 5/9 Secondary reference U.S. Government activity |
NSN 5821-01-334-5933 is a Receiving Set,radio, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5821, Radio and Television Communication Equipment, Airborne. Status: active.
NSN 5821-01-334-5933 has 1 manufacturer part number on file: 1980-0000-001 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
Key specifications for 1980-0000-001: Phase: THREE LOCATION NOT OTHERWISE SPECIFIED; AC Voltage Rating: 115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Joint Electronics Type Designation System Item Type Number: AN/ARR-502; Joint Electronics Type Designation System Item Name: RECEIVING SET,RADIO. 4 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 5821-01-334-5933 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.