The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-906-0709, 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27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-906-0709 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Scale Accuracy | 1/2 OF 1 PCT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.906 INCHES NOMINAL IN |
| Actuation Type | BELLOWS |
| Mounting Method | FLUSH PANEL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 1.0 MILLIMETERS OF MERCURY MM |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 150.0 MILLIMETERS OF MERCURY MM |
| Mounting Hole Diameter | 0.180 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4.500 INCHES DIAMETER IN |
| Graduation Unit | 25.0 MILLIMETERS OF MERCURY MM |
| Bolt Circle Diameter | 5.375 INCHES NOMINAL IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Material | STEEL CASE |
| Material | BRASS ACTUATING ELEMENT |
| Material | GLASS PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| Bezel Type | SLIPS-ON |
| 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 |
|---|---|
| P830-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-00-906-0709 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5360-01-285-9789. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-00-906-0709: Mounting Hole Quantity: 4; Scale Accuracy: 1/2 OF 1 PCT ENTIRE RANGE; Scale Name: PRESSURE; Overall Diameter: 4.906 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.