The Detecting System,tempest, cataloged under National Stock Number 5811-01-690-4374, is classified within Federal Supply Class 5811 (Other Cryptologic Equipment and Components) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Fluke Corp. 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. 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 | 5811-01-690-4374 |
| Primary Part Number | 123-003 |
| Item Name | Detecting System,tempest |
| FSC / FSG | 5811 / 58 — Other Cryptologic Equipment and Components |
| Manufacturer | Fluke Corp |
| Status | ACTIVE |
| Supplementary Features | 5 MV TO 500 V/DIV., 0.5 PERCENT ACCURACY, RECHARGABLE V |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123-003 PRIMARY | Fluke Corp (USA) |
NSN 5811-01-690-4374 is a Detecting System,tempest, manufactured by Fluke Corp, classified under FSC 5811, Other Cryptologic Equipment and Components. Status: active.
NSN 5811-01-690-4374 has 1 manufacturer part number on file: 123-003 (Fluke Corp).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-735-0561. Verify interchangeability with system specifications before substitution.
Key specifications for 123-003: Supplementary Features: 5 MV TO 500 V/DIV., 0.5 PERCENT ACCURACY, RECHARGABLE V; Special Features: 20 MHZ BANDWIDTH, 2 CHANNEL, HAND HELD, 2.5 POUNDS MHz; Part Name Assigned by Controlling Agency: SCOPE METER. 1 specification is 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.
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.