The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-116-7773, 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 27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-116-7773 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1 PCT MIDDLE HALF OF SCALE,1.5 PCT OVER BALANCE OF SCALE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.938 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | FLUSH PANEL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 1.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 100.0 POUNDS PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Scale Name for Which Pointer Is Designed | PRESSURE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 10.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 3.688 INCHES NOMINAL IN |
| Connection Location | BACK, CENTER |
| Pointer Color | BLACK AND RED |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL CORROSION RESISTING CASE |
| Material | BRONZE ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| Connection Size | 0.250 IN. NPT DIA 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 |
|---|---|
| SK65740 | 3/9 Design control — primary reference H O Trerice Co |
| SK65740 | 5/9 Secondary reference Naval Surface Warfare Center Dahlgren Div |
NSN 6685-01-116-7773 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-116-7773: Mounting Hole Quantity: 3; Scale Accuracy: 1 PCT MIDDLE HALF OF SCALE,1.5 PCT OVER BALANCE OF SCALE; Scale Name: PRESSURE; Overall Diameter: 4.938 INCHES NOMINAL IN. 27 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.