The Thermocouple,immersion, cataloged under National Stock Number 6685-00-848-7705, 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 Ari Industries Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-00-848-7705 |
| Primary Part Number | T22N-4BKS8A108 |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ari Industries Inc |
| Status | ACTIVE |
| Accommodated Wire Awg Size | 24 |
| Immersion Length | 4.000 INCHES NOMINAL IN |
| Unit Type | PROTECTIVE TUBE |
| Operating Temp Range | -400.0 TO 2500.0 FAHRENHEIT DEGF |
| Material | ASBESTOS INDIVIDUAL WIRE INSULATION |
| Material | FIBERGLASS 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 |
| Part Number | Manufacturer |
|---|---|
| T22N-4BKS8A108 PRIMARY | Ari Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| T22-4BKA8A108 | 5/9 Secondary reference Ari Industries Inc |
NSN 6685-00-848-7705 is a Thermocouple,immersion, manufactured by Ari Industries Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-848-7705 has 1 manufacturer part number on file: T22N-4BKS8A108 (Ari Industries Inc).
Key specifications for T22N-4BKS8A108: Overall Length: 112.000 INCHES NOMINAL IN; Accommodated Wire Awg Size: 24; Immersion Length: 4.000 INCHES NOMINAL IN; Unit Type: PROTECTIVE TUBE. 7 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.