The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-625-4178, 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 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-625-4178 |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Operating Voltage Rating in Volts | 120.0 AC MINIMUM AND 240.0 DC MAXIMUM |
| Circuit Current for Which Designed | AC AND DC |
| Scale Name | DIFFERENTIAL PRESSURE |
| Actuation Type | DIAPHRAGM |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.1 INCHES IN |
| Scale Range | +0.0 TO 100.0 INCHES OF WATER IN |
| Scale Name for Which Pointer Is Designed | INCHES OF WATER |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Graduation Unit | 10.0 INCHES IN |
| Bolt Circle Diameter | 3.0625 INCHES NOMINAL IN |
| Pointer Color | BLACK |
| Frequency Rating | 50.0 KILOHERTZ MINIMUM AND 60.0 KILOHERTZ MAXIMUM |
| Material | RUBBER SILICONE CLASS Q ACTUATING ELEMENT |
| 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 |
|---|---|
| MP-100MM | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-625-4178 is a Gage,differential,dial Indicatin, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-625-4178: Operating Voltage Rating in Volts: 120.0 AC MINIMUM AND 240.0 DC MAXIMUM; Circuit Current for Which Designed: AC AND DC; Scale Name: DIFFERENTIAL PRESSURE; Actuation Type: DIAPHRAGM. 16 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.