The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-159-2687, 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 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-159-2687 |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Accuracy | 1 PCT FULL SCALE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.969 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | SURFACE |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 5.0 INCHES AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES AND +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN. DIA IN |
| Graduation Unit | 30.0 INCHES AND 20.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. NPT DIA IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY FEAT |
| 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 |
|---|---|
| SA24-3CF4-RWBX D1-8 | 3/1 Design control — primary reference Weksler Glass Thermometer Corp |
NSN 6685-01-159-2687 is a Gage,compound Pressure-Vacuum,di, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-159-2687: Scale Accuracy: 1 PCT FULL SCALE; Scale Name: PRESSURE; Overall Diameter: 4.969 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 20 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.