The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-655-8157, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-655-8157 |
| Primary Part Number | EA243CD4LWBX-RSS2I-5-15FT |
| 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 |
| Overall Diameter | 4.969 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 2.0 INCHES AND 1.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES AND +0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4.5 INCH DIA. IN |
| Graduation Unit | 30.0 INCHES AND 10.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Connection Quantity | 1 |
| Connection Size | NPT 0.250 INCH IN |
| 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 |
|---|---|
| EA243CD4LWBX-RSS2I-5-15FT | Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc (USA) |
| EA243CD4LWBX-RSS2I-5-15FT PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-655-8157 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 6685-01-655-8157 has 2 manufacturer part numbers on file: EA243CD4LWBX-RSS2I-5-15FT (Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc), EA243CD4LWBX-RSS2I-5-15FT (Ashcroft Inc Dba Heise).
Key specifications for EA243CD4LWBX-RSS2I-5-15FT: Scale Name: PRESSURE; Overall Diameter: 4.969 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE; Scale Inscription/background Color: BLACK MARKINGS ON WHITE BACKGROUND. 15 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.