The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-504-0761, 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 Pyromation Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-504-0761 |
| Primary Part Number | JJ39E-018-00-22CF31 |
| Item Name | Thermocouple,heating Element |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Pyromation Llc |
| Status | ACTIVE |
| Overall Diameter | 0.188 INCHES NOMINAL IN |
| Mounting Location | INSIDE METER CASE |
| Material | STEEL CORROSION RESISTING OUTER JACKET INSULATION/SHEATHING |
| Terminal Type and Quantity | 2 INSULATED WIRE LEAD W/TERMINAL LUG |
| 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 |
|---|---|
| JJ39E-018-00-22CF31 PRIMARY | Pyromation Llc (USA) |
| Reference | Meaning |
|---|---|
| 017799 | 5/9 Secondary reference Despatch Industries Limited Partnership Dba Despatch Industries |
NSN 6685-01-504-0761 is a Thermocouple,heating Element, manufactured by Pyromation Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-504-0761 has 1 manufacturer part number on file: JJ39E-018-00-22CF31 (Pyromation Llc).
Key specifications for JJ39E-018-00-22CF31: Overall Diameter: 0.188 INCHES NOMINAL IN; Overall Length: 18.000 INCHES NOMINAL IN; Mounting Location: INSIDE METER CASE; Special Features: DUPLEX; BRASS COMPRESSION FITTINGS. 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.