The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-522-6729, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-522-6729 |
| Primary Part Number | EA43-3APP-RWBX |
| 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 | PRESSURE |
| Actuation Type | BOURDON TUBE |
| Scale Smallest Increment | 10.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 1000.0 POUNDS PER SQUARE INCH AND +0.0 TO 70.0 BAR LBS |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2IN IN |
| Graduation Unit | 100.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Pointer Color | ANY ACCEPTABLE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 0-RING |
| 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 |
|---|---|
| EA43-3APP-RWBX PRIMARY | Ashcroft Inc Dba Heise (USA) |
| SGJ3M2Y-G/PSI&BAR | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| EA234APPRWBX-1000 | 5/9 Secondary reference Ashcroft Inc Dba Heise |
NSN 6685-01-522-6729 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 6685-01-522-6729 has 2 manufacturer part numbers on file: EA43-3APP-RWBX (Ashcroft Inc Dba Heise), SGJ3M2Y-G/PSI&BAR (Moeller Instrument Company, Inc. Dba Moeller Instrument Co).
Key specifications for EA43-3APP-RWBX: Scale Name: PRESSURE; Actuation Type: BOURDON TUBE; Scale Smallest Increment: 10.0 POUNDS PER SQUARE INCH (PSI) LBS; Connection Type: EXTERNAL. 16 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.