The Hygrometer,digital, cataloged under National Stock Number 6685-01-655-5662, 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 Edgetech Instruments, Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-655-5662 |
| Primary Part Number | DEWTRAK II DT-AL-W-AC |
| Item Name | Hygrometer,digital |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Edgetech Instruments, Inc. |
| Status | ACTIVE |
| Operating Temp Range | -40.0 TO 60.0 CELSIUS-40.0 TO 60.0 CELSIUS DEGC |
| Environmental Attribute Code | BAROMETERS & HYGROMETERS - CONSUMER PRODUCTS - NON-MERCURY ALTERNATIVEBAROMETERS & HYGROMETERS - CONSUMER PRODUCTS - NON-MERCURY ALTERNATIVE |
| Material | ALUMINUM OVERALL |
| Voltage Rating in Volts | 24.0 DC MINIMUM24.0 DC MINIMUM |
| 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 |
|---|---|
| DEWTRAK II DT-AL-W-AC PRIMARY | Edgetech Instruments, Inc. (USA) |
NSN 6685-01-655-5662 is a Hygrometer,digital, manufactured by Edgetech Instruments, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-655-5662 has 1 manufacturer part number on file: DEWTRAK II DT-AL-W-AC (Edgetech Instruments, Inc.).
Key specifications for DEWTRAK II DT-AL-W-AC: Operating Temp Range: -40.0 TO 60.0 CELSIUS-40.0 TO 60.0 CELSIUS DEGC; Environmental Attribute Code: BAROMETERS & HYGROMETERS - CONSUMER PRODUCTS - NON-MERCURY ALTERNATIVEBAROMETERS & HYGROMETERS - CONSUMER PRODUCTS - NON-MERCURY ALTERNATIVE; Part Name Assigned by Controlling Agency: HUMIDITY TRANSMITTRHUMIDITY TRANSMITTR; Material: ALUMINUM OVERALL. 4 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.