The Thermocouple,immersion, cataloged under National Stock Number 6685-01-214-0342, 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 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-214-0342 |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Accommodated Wire Awg Size | 24 |
| Unit Type | PROTECTIVE TUBE |
| Material | NICKEL ALLOY 600 OUTER JACKET INSULATION/SHEATHING |
| Terminal Type and Quantity | 2 WIRE LEAD |
| 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 |
|---|---|
| TC27640-1 | 3/2 Design control — primary reference U.S. Government activity |
| 726-505-90004 | 5/2 Secondary reference U.S. Government activity |
| 27640 | 5/9 Secondary reference U.S. Government activity |
NSN 6685-01-214-0342 is a Thermocouple,immersion, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-215-9428, 4920-01-572-6601. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-01-214-0342: Accommodated Wire Awg Size: 24; Unit Type: PROTECTIVE TUBE; Material: NICKEL ALLOY 600 OUTER JACKET INSULATION/SHEATHING; Terminal Type and Quantity: 2 WIRE LEAD. 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.