The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-526-6933, 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 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-00-526-6933 |
| 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 ENTIRE RANGE |
| Scale Name | PRESSURE AND VACUUM |
| Overall Diameter | 3.843 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | FLUSH PANEL AND STUD(S) AND BRACKET(S) |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.250 POUNDS AND 1.000 INCHES LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.000 TO 15.000 POUNDS PRESSURE PER SQUARE INCH AND +0.000 TO 30.000 INCHES OF VACUUM LBS |
| Stud Location | BACK |
| Stud Quantity | 2 |
| Scale Name for Which Pointer Is Designed | PRESSURE-VACUUM |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | MULTIPLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 5.000 POUNDS AND 10.000 INCHES LBS |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Surface Treatment | PAINT |
| Material | STEEL CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | BRONZE ACTUATING ELEMENT |
| Usage Design | WITH AIR |
| Connection Quantity | 1 |
| Bezel Type | SNAP-ON |
| Connection Size | 1/4 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 |
| Reference | Meaning |
|---|---|
| T10926 | 3/9 Design control — primary reference Optical Technology Devices Inc |
NSN 6685-00-526-6933 is a Gage,compound Pressure-Vacuum,di, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-526-6933: Scale Accuracy: 1 PCT ENTIRE RANGE; Scale Name: PRESSURE AND VACUUM; Overall Diameter: 3.843 INCHES NOMINAL IN; Actuation Type: SINGLE BOURDON TUBE. 28 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.