The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-159-9139, 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 Wahlco Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-159-9139 |
| Primary Part Number | 30249-00-3 |
| Item Name | Thermocouple,heating Element |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Wahlco Inc |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Mounting Location | OUTSIDE METER CASE |
| 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 |
|---|---|
| 30249-00-3 PRIMARY | Wahlco Inc (USA) |
| Reference | Meaning |
|---|---|
| 30249-00-03 | 5/9 Secondary reference Western Controls Div of Wahlco Inc |
| 295895-3 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 6685-01-159-9139 is a Thermocouple,heating Element, manufactured by Wahlco Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-159-9139 has 1 manufacturer part number on file: 30249-00-3 (Wahlco Inc).
Key specifications for 30249-00-3: Overall Diameter: 1.250 INCHES NOMINAL IN; Mounting Location: OUTSIDE METER CASE. 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.