The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-658-8416, 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 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-658-8416 |
| Primary Part Number | EA243PTPEWAO |
| 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 |
| Mounting Hole Quantity | 3 |
| Scale Name | POUNDS PER SQUARE INCH |
| Overall Diameter | 4.937 INCHES NOMINAL IN |
| Actuation Type | PRESSURE SENSING ELEMENT |
| Mounting Method | PANEL FLANGE |
| Scale Inscription/background Color | WHITE BACK GROUND, BLACK NUMERALS AND GRADUATIONS. |
| Scale Smallest Increment | 0.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | NIPPLE |
| Scale Range | +0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | CIRCULAR AND DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4.5 INCHES IN |
| Graduation Unit | 50.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BOTTOM |
| Pointer Color | RED |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM CASE |
| Material | IRON ALLOY OR NICKEL ALLOY ACTUATING ELEMENT |
| Connection Size | 0.25 NPT MALE PIPE THREAD |
| 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 |
|---|---|
| EA243PTPEWAO PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-658-8416 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 6685-01-658-8416 has 1 manufacturer part number on file: EA243PTPEWAO (Ashcroft Inc Dba Heise).
Key specifications for EA243PTPEWAO: Mounting Hole Quantity: 3; Scale Name: POUNDS PER SQUARE INCH; Overall Diameter: 4.937 INCHES NOMINAL IN; Actuation Type: PRESSURE SENSING ELEMENT. 22 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.