The Thermometer,self-Indicating,bime, cataloged under National Stock Number 6685-01-487-1446, 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 Ashcroft Inc Dba Heise. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-487-1446 |
| Primary Part Number | 3A04-44 - FJX |
| Item Name | Thermometer,self-Indicating,bime |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Stem Length | 4.000 INCHES NOMINAL IN |
| Design Type | FLUCTUATING |
| Dial Diameter | 3.093 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FORM, HORIZONTAL DIAL |
| Scale Type | DIAL |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| YMD-7034 | Appleton Marine Inc (USA) |
| 3A04-44 - FJX PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| AMD-1133 | D/9 Drawing number reference only Appleton Marine Inc |
| 3A04-44FJ | 5/9 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-487-1446 is a Thermometer,self-Indicating,bime, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-487-1446 has 2 manufacturer part numbers on file: YMD-7034 (Appleton Marine Inc), 3A04-44 - FJX (Ashcroft Inc Dba Heise).
Key specifications for 3A04-44 - FJX: Stem Length: 4.000 INCHES NOMINAL IN; Design Type: FLUCTUATING; Dial Diameter: 3.093 INCHES NOMINAL IN; Style Designator: STRAIGHT FORM, HORIZONTAL DIAL. 6 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.