The Thermocouple, cataloged under National Stock Number 6685-00-372-4663, 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 Viavi Solutionsllc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-00-372-4663 |
| Primary Part Number | 44312-001 |
| Item Name | Thermocouple |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Viavi Solutionsllc |
| Status | ACTIVE |
| General Characteristics Item Description | 17.000 MM MIN,20.000 MM MAXDIA,3 LEADOUT WIRES 1.000 IN. LG MM |
| 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 |
|---|---|
| TB27102 | Viavi Solutionsllc (USA) |
| 44312-001 PRIMARY | Viavi Solutionsllc (USA) |
| Reference | Meaning |
|---|---|
| TB27102 | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
| 44312-001 | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
NSN 6685-00-372-4663 is a Thermocouple, manufactured by Viavi Solutionsllc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-372-4663 has 2 manufacturer part numbers on file: TB27102 (Viavi Solutionsllc), 44312-001 (Viavi Solutionsllc).
Key specifications for 44312-001: General Characteristics Item Description: 17.000 MM MIN,20.000 MM MAXDIA,3 LEADOUT WIRES 1.000 IN. LG MM. 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.