The Thermocouple,immersion, cataloged under National Stock Number 6685-01-651-6633, 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 Chromalox Instruments and Controls. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-651-6633 |
| Primary Part Number | JSB2U-006A000-J5F112002 |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Chromalox Instruments and Controls |
| Status | ACTIVE |
| Immersion Length | 6.0 INCHES NOMINAL IN |
| Unit Type | BAYONET |
| Material | STEEL CORROSION RESISTING THERMOCOUPLE WELL |
| Terminal Type and Quantity | 1 CONNECTOR |
| 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 |
|---|---|
| JSB2U-006A000-J5F112002 PRIMARY | Chromalox Instruments and Controls (USA) |
| Reference | Meaning |
|---|---|
| JSB2U-006A-000-J5-F1-1200-02 | 5/9 Secondary reference Chromalox Instruments and Controls |
NSN 6685-01-651-6633 is a Thermocouple,immersion, manufactured by Chromalox Instruments and Controls, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-651-6633 has 1 manufacturer part number on file: JSB2U-006A000-J5F112002 (Chromalox Instruments and Controls).
Key specifications for JSB2U-006A000-J5F112002: Immersion Length: 6.0 INCHES NOMINAL IN; Unit Type: BAYONET; Part Name Assigned by Controlling Agency: THERMOCOUPLE; Material: STEEL CORROSION RESISTING THERMOCOUPLE WELL. 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.