The Gage,vacuum,indicating, cataloged under National Stock Number 6685-01-013-2811, 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 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-013-2811 |
| Item Name | Gage,vacuum,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1/2 OF 1 PCT OF FULL RANGE |
| Scale Name | VACUUM |
| Overall Diameter | 6.250 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BACK |
| Mounting Method | FLUSH |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.25 INCHES OF MERCURY (INHG) IN |
| Connection Type | EXTERNAL |
| Scale Range | +0.000 TO 30.000 INCHES OF MERCURY IN |
| Mounting Hole Diameter | 0.218 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Nondefinitive Spec/std Data | 2 CLASS AND 1 TYPE |
| Dial Size | 4 1/2 IN. DIA IN |
| Graduation Unit | 3.0 INCHES OF MERCURY IN |
| Bolt Circle Diameter | 0.375 INCHES NOMINAL IN |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Material | ALUMINUM ALLOY CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | PLASTIC LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | HINGE |
| 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 |
| Reference | Meaning |
|---|---|
| 80224-C1011-767B | 3/9 Design control — primary reference U.S. Government activity |
| GG-G-76 | 4/1 Identification reference U.S. Government activity |
NSN 6685-01-013-2811 is a Gage,vacuum,indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-013-2811: Mounting Hole Quantity: 3; Scale Accuracy: 1/2 OF 1 PCT OF FULL RANGE; Scale Name: VACUUM; Overall Diameter: 6.250 INCHES NOMINAL IN. 29 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.