The Thermocouple,contact, cataloged under National Stock Number 6685-01-077-2326, 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 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-077-2326 |
| Item Name | Thermocouple,contact |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Unit Type | PROTECTIVE TUBE |
| 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 |
|---|---|
| 411002 | 3/9 Design control — primary reference Leeds and Northrup Co a Unit of General Signal Corp |
| AF-11-B | C/1 Advisory reference — outside the item-of-supply concept Leeds and Northrup Co a Unit of General Signal Corp |
NSN 6685-01-077-2326 is a Thermocouple,contact, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5935-01-112-5456, 6515-01-426-4255, 6130-01-526-3300. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-01-077-2326: Overall Length: 11.812 INCHES NOMINAL IN; Unit Type: PROTECTIVE TUBE; Special Features: OUTSIDE WIRE MADE OF IRON,INSIDE WIRE OF CONSTANTAN. 1 specification is 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.