The Probe,humidity-Temperature, cataloged under National Stock Number 6685-01-491-5015, 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 Panametrics Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-491-5015 |
| Primary Part Number | M2LR-T0-010-0 |
| Item Name | Probe,humidity-Temperature |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Panametrics Llc |
| Status | ACTIVE |
| Current Type | AC |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Physical Form | CARTRIDGE |
| Operating Temp Range | -110.0 TO 70.0 CELSIUS DEGC |
| Material | ALUMINUM |
| Voltage Rating | 1.0 VOLTS NOMINAL |
| 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 |
|---|---|
| M2LR-T0-010-0 PRIMARY | Panametrics Llc (USA) |
| Reference | Meaning |
|---|---|
| 639AS10673 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| M2LR | 5/9 Secondary reference Panametrics Llc |
NSN 6685-01-491-5015 is a Probe,humidity-Temperature, manufactured by Panametrics Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-491-5015 has 1 manufacturer part number on file: M2LR-T0-010-0 (Panametrics Llc).
Key specifications for M2LR-T0-010-0: Current Type: AC; Overall Diameter: 0.625 INCHES NOMINAL IN; Overall Length: 3.187 INCHES NOMINAL IN; Physical Form: CARTRIDGE. 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.