The Thermal Converter, cataloged under National Stock Number 6685-00-446-8238, 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 Ballantine Laboratories Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Thermal Converter |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Ballantine Laboratories Inc (CAGE 50423) |
| Parameter | Value |
|---|---|
| NSN | 6685-00-446-8238 |
| Primary Part Number | 27-07946-1 |
| Item Name | Thermal Converter |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ballantine Laboratories Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 27-07946-1 PRIMARY | Ballantine Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 27-07946-1A | 5/9 Secondary reference Ballantine Laboratories Inc |
NSN 6685-00-446-8238 is a Thermal Converter, manufactured by Ballantine Laboratories Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-446-8238 has 1 manufacturer part number on file: 27-07946-1 (Ballantine Laboratories Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-458-6001. Verify interchangeability with system specifications before substitution.
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.