The Thermometer-Hygrometer, cataloged under National Stock Number 6685-01-725-0650, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Defelsko Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-725-0650 |
| Primary Part Number | DPM1 |
| Item Name | Thermometer-Hygrometer |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Defelsko Corporation |
| Status | ACTIVE |
| Furnished Items and Quantity | 3 BATTERY |
| Usage Design | INDOOR AND OUTDOOR |
| Style Designator | HAND HELD |
| Display Type | LIGHT EMITTING DIODE (L.E.D.). |
| Measurement Range | -40.0 TO 80.0 DEG CELSIUS |
| Measurement Unit | DEGREE CELSIUS AND DEGREE FAHRENHEIT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DPM1 PRIMARY | Defelsko Corporation (USA) |
NSN 6685-01-725-0650 is a Thermometer-Hygrometer, manufactured by Defelsko Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-725-0650 has 1 manufacturer part number on file: DPM1 (Defelsko Corporation).
Key specifications for DPM1: Furnished Items and Quantity: 3 BATTERY; Overall Height: 1.00 INCHES NOMINAL IN; Usage Design: INDOOR AND OUTDOOR; Style Designator: HAND HELD. 6 specifications are 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.
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.