The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-671-9620, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Ashcroft Inc Dba Heise (CAGE 049X3); Supreme Integrated Technology, Inc. (CAGE 5BN34) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-671-9620 |
| Primary Part Number | EA23-3PV4-LWBX |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| 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 |
|---|---|
| EA23-3PV4-LWBX PRIMARY | Ashcroft Inc Dba Heise (USA) |
| EA23-3PV4-LW | Supreme Integrated Technology, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S10610-3000 FN 29 | D/9 Drawing number reference only Supreme Integrated Technology, Inc. |
| EA23-3PV4-LWBX | 5/9 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-671-9620 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-671-9620 has 2 manufacturer part numbers on file: EA23-3PV4-LWBX (Ashcroft Inc Dba Heise), EA23-3PV4-LW (Supreme Integrated Technology, Inc.).
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.