The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-223-7334, 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 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-223-7334 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Scale Accuracy | PORM 1/4 OF 1 PCT FULL SCALE |
| Scale Name | PRESSURE |
| Overall Diameter | 3.250 INCHES NOMINAL IN |
| Actuation Type | SINGLE COIL HELICAL BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 2.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 500.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.194 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN. DIA IN |
| Graduation Unit | 100.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 2.500 INCHES NOMINAL IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. TUBE 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 |
|---|---|
| 25542-27W21 | 3/9 Design control — primary reference 3d Instruments, Lp Dba Sierra Precision |
NSN 6685-01-223-7334 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-223-7334: Mounting Hole Quantity: 2; Scale Accuracy: PORM 1/4 OF 1 PCT FULL SCALE; Scale Name: PRESSURE; Overall Diameter: 3.250 INCHES NOMINAL IN. 23 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.