The Thermocouple,immersion, cataloged under National Stock Number 6685-01-196-6378, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-196-6378 |
| Primary Part Number | 5N9365 |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Unit Type | PROTECTIVE TUBE |
| Material | NICKEL ALLOY THERMOCOUPLE WIRE |
| 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 |
|---|---|
| HSA005847 | Bae Systems Australia Pty Ltd Div Landing Craft Heavy - in Service Support (AUS) |
| 5N9365 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 015-010 | Hewitt Industries of L a (USA) |
| 5N9365 | Hastings Deering (aust) Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 015-100 | 5/9 Secondary reference Hewitt Industries of L a |
| T1837 | 5/2 Secondary reference U.S. Government activity |
| 5N-9365 | 6/9 Informative reference only Royal Malaysian Navy |
NSN 6685-01-196-6378 is a Thermocouple,immersion, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-196-6378 has 4 manufacturer part numbers on file: HSA005847 (Bae Systems Australia Pty Ltd Div Landing Craft Heavy - in Service Support), 5N9365 (Caterpillar Inc Div Caterpillar Defense), 015-010 (Hewitt Industries of L a), 5N9365 (Hastings Deering (aust) Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 4330-01-352-7034, 6515-01-468-7890, 6515-01-650-1337. Verify interchangeability with system specifications before substitution.
Key specifications for 5N9365: Unit Type: PROTECTIVE TUBE; Material: NICKEL ALLOY THERMOCOUPLE WIRE. 2 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.