The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-142-9803, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-142-9803 |
| Primary Part Number | EA23-3PE4-RWBO |
| 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 |
| Scale Name | POUNDS PRESSURE |
| Overall Diameter | 4.750 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Scale Smallest Increment | 10.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3.50 IN. DIA IN |
| Graduation Unit | 10.0 POUNDS PER SQUARE INCH LBS |
| Pointer Color | BLACK |
| Material | COPPER ALLOY 511 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 |
|---|---|
| SGC3M14Y-G | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| EA23-3PE4-RWBO PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| NA-13-PPE4-RWBO | 5/9 Secondary reference Weksler Glass Thermometer Corp |
| D801-1248 | D/9 Drawing number reference only U.S. Government activity |
NSN 6685-01-142-9803 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 6685-01-142-9803 has 2 manufacturer part numbers on file: SGC3M14Y-G (Moeller Instrument Company, Inc. Dba Moeller Instrument Co), EA23-3PE4-RWBO (Ashcroft Inc Dba Heise).
Key specifications for EA23-3PE4-RWBO: Scale Name: POUNDS PRESSURE; Overall Diameter: 4.750 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE; Scale Smallest Increment: 10.0 POUNDS PER SQUARE INCH (PSI) LBS. 11 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.