The Monitor,environment, cataloged under National Stock Number 5840-01-693-3718, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Vertiv Corporation Dba Geist. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5840-01-693-3718 |
| Primary Part Number | WATCHDOG-100 |
| Item Name | Monitor,environment |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Vertiv Corporation Dba Geist |
| Status | ACTIVE |
| Unpackaged Unit Length | 8.50 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Unpackaged Unit Width | 2.51 INCHES NOMINAL IN |
| Direct Current Voltage Rating in Volts | 5.0 |
| Unpackaged Unit Height | 1.61 INCHES NOMINAL IN |
| Input Intelligence Type | HUMIDITY |
| 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 |
|---|---|
| WATCHDOG-100 PRIMARY | Vertiv Corporation Dba Geist (USA) |
| Reference | Meaning |
|---|---|
| G1682 | C/1 Advisory reference — outside the item-of-supply concept Vertiv Corporation Dba Geist |
NSN 5840-01-693-3718 is a Monitor,environment, manufactured by Vertiv Corporation Dba Geist, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-693-3718 has 1 manufacturer part number on file: WATCHDOG-100 (Vertiv Corporation Dba Geist).
Key specifications for WATCHDOG-100: Unpackaged Unit Length: 8.50 INCHES NOMINAL IN; Power Source: EXTERNAL; Unpackaged Unit Width: 2.51 INCHES NOMINAL IN; Direct Current Voltage Rating in Volts: 5.0. 6 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.
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.