The Thermowell, cataloged under National Stock Number 6685-01-694-1936, 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 Detroit Switch Inc Dba Detroit Switch 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-694-1936 |
| Primary Part Number | 2222475 |
| Item Name | Thermowell |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Detroit Switch Inc Dba Detroit Switch Inc |
| Status | ACTIVE |
| Style Designator | THREADED STRAIGHT SHANK |
| Features Provided | THREADED PLUG |
| Bulb Tip Outside Diameter | 0.8125 INCHES NOMINAL IN |
| External Thread Size | 1.0625-12 |
| Bulb Tip Length | 12.1875 INCHES NOMINAL IN |
| Internal Thread Size | 1.1250-24 FIRST BORE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 2222475 PRIMARY | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| Reference | Meaning |
|---|---|
| 1018684 LEVEL 1 | C/1 Advisory reference — outside the item-of-supply concept Indeeco Llc Dba Indeeco |
NSN 6685-01-694-1936 is a Thermowell, manufactured by Detroit Switch Inc Dba Detroit Switch Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-694-1936 has 1 manufacturer part number on file: 2222475 (Detroit Switch Inc Dba Detroit Switch Inc).
Key specifications for 2222475: Style Designator: THREADED STRAIGHT SHANK; Overall Length: 13.75 INCHES NOMINAL IN; Features Provided: THREADED PLUG; Bulb Tip Outside Diameter: 0.8125 INCHES NOMINAL IN. 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.