The Recorder,humidity-Temperature, cataloged under National Stock Number 6685-01-447-3859, 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 Omega Engineering, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-447-3859 |
| Primary Part Number | CTXL-TRH-W |
| Item Name | Recorder,humidity-Temperature |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Omega Engineering, Inc. |
| Status | ACTIVE |
| Recording Method | TWO INK PENS ON RECORDING CHART |
| Phase | SINGLE |
| AC Voltage Rating | 110.0 VOLTS NOMINAL |
| Current Type | AC |
| Accessory Components and Quantity | 9 VDC POWER SUPPLY, SENSORS, AND INTERCONNECT CABLES VDC |
| Information Recorded | RELATIVE HUMIDITY AND TEMPERATURE |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Operating Range | +2.0 TO 120.0 DEG FAHRENHEIT AND +2.0 TO 98.0 PERCENT |
| Chart Drive Method | ELECTROMECHANICAL ASSEMBLY |
| 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 |
|---|---|
| CTXL-TRH-W PRIMARY | Omega Engineering, Inc. (USA) |
| CTXL-TRH-G PRIMARY | Omega Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CT485B-110-G-AL | 5/9 Secondary reference Omega Engineering, Inc. |
| CT-485-110V-G-AL | 5/9 Secondary reference Omega Engineering, Inc. |
| CT485B-110V-G-AL | 5/9 Secondary reference Omega Engineering, Inc. |
| 6685PL0658992 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 6685-01-447-3859 is a Recorder,humidity-Temperature, manufactured by Omega Engineering, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-447-3859 has 2 manufacturer part numbers on file: CTXL-TRH-W (Omega Engineering, Inc.), CTXL-TRH-G (Omega Engineering, Inc.).
Key specifications for CTXL-TRH-W: Recording Method: TWO INK PENS ON RECORDING CHART; Phase: SINGLE; AC Voltage Rating: 110.0 VOLTS NOMINAL; Current Type: AC. 9 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.