The Gage,vacuum,indicating, cataloged under National Stock Number 6685-01-003-4555, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-003-4555 |
| Primary Part Number | 25-1009AW02BXUC30INHGV |
| Item Name | Gage,vacuum,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Scale Accuracy | 1/2 PCT ACCURACY ENTIRE RANGE |
| Scale Name | VACUUM |
| Overall Diameter | 2.875 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | CLAMP |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 1.0 INCHES IN |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES OF VACUUM IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Dial Size | 2-1/2 IN. DIA IN |
| Graduation Unit | 5.0 INCHES IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL CORROSION RESISTING CASE |
| Material | STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| Connection Size | 0.250 IN. NPT 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 |
|---|---|
| 25-1009AW02BXUC30INHGV PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 25-1009A02BXRBUCPD30VAC | 5/9 Secondary reference Ashcroft Inc Dba Heise |
NSN 6685-01-003-4555 is a Gage,vacuum,indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-003-4555 has 1 manufacturer part number on file: 25-1009AW02BXUC30INHGV (Ashcroft Inc Dba Heise).
Key specifications for 25-1009AW02BXUC30INHGV: Scale Accuracy: 1/2 PCT ACCURACY ENTIRE RANGE; Scale Name: VACUUM; Overall Diameter: 2.875 INCHES NOMINAL IN; Actuation Type: SINGLE BOURDON TUBE. 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.