The Probe,humidity-Temperature, cataloged under National Stock Number 6685-01-477-1637, 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 C P S Products Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-477-1637 |
| Primary Part Number | TMX2A |
| Item Name | Probe,humidity-Temperature |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | C P S Products Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| TMX2A PRIMARY | C P S Products Inc (USA) |
| Reference | Meaning |
|---|---|
| S-180 | 5/9 Secondary reference C P S Products Inc |
NSN 6685-01-477-1637 is a Probe,humidity-Temperature, manufactured by C P S Products Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-477-1637 has 1 manufacturer part number on file: TMX2A (C P S Products Inc).
Key specifications for TMX2A: Special Features: AIR PROBE; End Item Identification: USED ON TM250 THERMO-PSYCHROMETER FOR THE MEASUREMENT OF TEMPERATURE/HUMIDITY/DEWPOINT/DRYBULB. 0 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.