The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-623-1374, 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 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-623-1374 |
| Primary Part Number | CMDLGJ30AD-XA6 |
| 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 Accuracy | 0.1 PCT |
| Scale Name | POUNDS PRESSURE |
| Overall Diameter | 7.875 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BACK |
| Mounting Method | PANEL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE WITH MIRROR BAND |
| Scale Smallest Increment | 0.05 INCHES IN |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 POUNDS PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Accessory Components and Quantity | FOR NAVY SUPPLIED WITH WOODEN CASE |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | PROVIDED |
| Dial Size | 6 INCHES IN DIA IN |
| Graduation Unit | 0.05 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 7.000 INCHES NOMINAL IN |
| Scale Length | 11.600 INCHES NOMINAL IN |
| Pointer Color | BLACK |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Connection Size | 1/4 NPT MALE |
| 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 |
|---|---|
| CMDLGJ30AD-XA6 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| CMDLGJ30AD(0-30PSIG) | 3/9 Design control — primary reference Ashcroft Inc Dba Heise |
NSN 6685-01-623-1374 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 6685-01-623-1374 has 1 manufacturer part number on file: CMDLGJ30AD-XA6 (Ashcroft Inc Dba Heise).
Key specifications for CMDLGJ30AD-XA6: Mounting Hole Quantity: 3; Scale Accuracy: 0.1 PCT; Scale Name: POUNDS PRESSURE; Overall Diameter: 7.875 INCHES NOMINAL IN. 26 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.