The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-663-3023, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-663-3023 |
| Primary Part Number | EA243CD4RWBO-8002ES02TXCK |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Scale Name | PRESSURE AND VACUUM |
| Actuation Type | BOURDON TUBE |
| Scale Inscription/background Color | WHITE BACKGROUND, BLACK NUMERALS & GRADUATIONS |
| Scale Smallest Increment | 1.0 POUNDS PER SQUARE INCH (PSI) AND 1.0 MILLIMETERS OF MERCURY LBS |
| Scale Range | -30.0 TO 100.0 PRESSURE AND -30.0 TO 100.0 POUNDS OF VACUUM PER SQUARE INCH LBS |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Graduation Unit | 1.0 POUNDS PER SQUARE INCH AND 2.0 POUNDS PER SQUARE INCH LBS |
| Pointer Color | BLACK |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| 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 |
|---|---|
| EA243CD4RWBO-8002ES02TXCK | Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc (USA) |
| EA243CD4RWBO-8002ES02TXCK PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| EA243CD4RWBO-8002ES02TXCK | 5/9 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-663-3023 is a Gage,compound Pressure-Vacuum,di, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-663-3023 has 2 manufacturer part numbers on file: EA243CD4RWBO-8002ES02TXCK (Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc), EA243CD4RWBO-8002ES02TXCK (Ashcroft Inc Dba Heise).
Key specifications for EA243CD4RWBO-8002ES02TXCK: Scale Name: PRESSURE AND VACUUM; Actuation Type: BOURDON TUBE; Scale Inscription/background Color: WHITE BACKGROUND, BLACK NUMERALS & GRADUATIONS; Scale Smallest Increment: 1.0 POUNDS PER SQUARE INCH (PSI) AND 1.0 MILLIMETERS OF MERCURY LBS. 10 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.