The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-184-7470, 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 24 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 | 6685-01-184-7470 |
| Primary Part Number | 25-1001XUC-02B-30/15 |
| 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 Accuracy | PORM2 PCT MIDDLE RANGE,3 PCT REMAINDER |
| Scale Name | PRESSURE-VACUUM |
| Overall Diameter | 2.719 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | CLAMP |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 1.0 INCHES OF MERCURY (INHG) AND 0.5 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING AND REFERENCE |
| Adjustability | NONADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN. DIA IN |
| Graduation Unit | 5.0 INCHES OF MERCURY AND 3.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Surface Treatment | PAINT |
| Material | STEEL CASE |
| Material | BRONZE ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| Connection Size | 0.250 IN. NPT DIA 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 |
|---|---|
| 3657-46-17 | King Nutronics Corporation Dba King Nutronics (USA) |
| 25-1001XUC-02B-30/15 PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-184-7470 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 6685-01-184-7470 has 2 manufacturer part numbers on file: 3657-46-17 (King Nutronics Corporation Dba King Nutronics), 25-1001XUC-02B-30/15 (Ashcroft Inc Dba Heise).
Key specifications for 25-1001XUC-02B-30/15: Scale Accuracy: PORM2 PCT MIDDLE RANGE,3 PCT REMAINDER; Scale Name: PRESSURE-VACUUM; Overall Diameter: 2.719 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 24 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.