The Frequency Standard,cesium Beam, cataloged under National Stock Number 5820-01-162-3204, 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 Naval Research Laboratory Dba Nrl. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-01-162-3204 |
| Primary Part Number | 7259308-101 |
| Item Name | Frequency Standard,cesium Beam |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | Naval Research Laboratory Dba Nrl |
| Status | ACTIVE |
| General Characteristics Item Description | PROVIDES DUAL REDUNDANT 5 MHZ FREQUENCY SIGNALS; 16 DBM SINE WAVE OUTPUT LEVEL; SETABILITY PORM 2 TIMES 10 RAISED TO MINUS 12; OPER PWR RQMTS 115/120 VAC,50/60 HZ,1 PH,150 WATTS; O/A DIMS 19.0 IN. W; 29.0 IN. H; 13.5 IN. D; BULKHEAD MOUNTED; CAN REPORT FAULTY OPERATION TO REMOTE LOCATION MHz |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7259308-101 | Naval Research Laboratory Dba Nrl (USA) |
| Reference | Meaning |
|---|---|
| O-1789/WSC-6(V) | 3/2 Design control — primary reference U.S. Government activity |
| 7259308-101 | 5/9 Secondary reference U.S. Government activity |
NSN 5820-01-162-3204 is a Frequency Standard,cesium Beam, manufactured by Naval Research Laboratory Dba Nrl, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-01-162-3204 has 1 manufacturer part number on file: 7259308-101 (Naval Research Laboratory Dba Nrl).
Key specifications for 7259308-101: General Characteristics Item Description: PROVIDES DUAL REDUNDANT 5 MHZ FREQUENCY SIGNALS; 16 DBM SINE WAVE OUTPUT LEVEL; SETABILITY PORM 2 TIMES 10 RAISED TO MINUS 12; OPER PWR RQMTS 115/120 VAC,50/60 HZ,1 PH,150 WATTS; O/A DIMS 19.0 IN. W; 29.0 IN. H; 13.5 IN. D; BULKHEAD MOUNTED; CAN REPORT FAULTY OPERATION TO REMOTE LOCATION MHz. 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 5820-01-162-3204 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.