The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-006-4551, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-006-4551 |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | .5 PCT. ACCURACY OVER ENTIRE RANGE |
| Scale Name | PRESSURE AND VACUUM |
| Overall Diameter | 5.81250 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BACK |
| Mounting Method | WALL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 1.0 INCHES AND 0.2 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 15.0 POUNDS PER SQUARE INCH AND +0.0 TO 30.0 INCHES OF VACUUM LBS |
| Mounting Hole Diameter | 0.21875 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN. DIA. IN |
| Graduation Unit | 5.000 INCHES AND 3.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| Connection Size | 1/4 IN. MALE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 45-1379AS02L30HG15PSIG | 3/9 Design control — primary reference Dresser Industries Inc Dresser Measurement Div |
NSN 6685-01-006-4551 is a Gage,compound Pressure-Vacuum,di, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-006-4551: Mounting Hole Quantity: 3; Scale Accuracy: .5 PCT. ACCURACY OVER ENTIRE RANGE; Scale Name: PRESSURE AND VACUUM; Overall Diameter: 5.81250 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.