The Transmitter Group,humidity-Tempe, cataloged under National Stock Number 6685-01-644-0480, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-644-0480 |
| Item Name | Transmitter Group,humidity-Tempe |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Unpackaged Unit Length | 2.616 INCHES NOMINAL IN |
| Supplementary Features | OPERATING TEMPERATURE -25 DEG C TO +85 DEG C; POWER USAGE: 30MA AT 15VDC; HUMIDITY SENSOR: 0-100% NON-CONDENSING, 25 DEG C. VDC |
| Unpackaged Unit Width | 3.617 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ES-TH | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-644-0480 is a Transmitter Group,humidity-Tempe, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-644-0480: Unpackaged Unit Length: 2.616 INCHES NOMINAL IN; Supplementary Features: OPERATING TEMPERATURE -25 DEG C TO +85 DEG C; POWER USAGE: 30MA AT 15VDC; HUMIDITY SENSOR: 0-100% NON-CONDENSING, 25 DEG C. VDC; Unpackaged Unit Width: 3.617 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: TEMPERATURE AND RELATIVE HUMIDITY SENSOR. 3 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.