The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-144-4384, 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 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-144-4384 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| FSC Application Data | ENGINE THERMOMETER,ACFT |
| Scale Name | PRESSURE |
| Overall Diameter | 6.000 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | CIRCULAR |
| Dial Size | 7.000 IN. DIA IN |
| Pointer Color | BLACK |
| Material | STEEL CORROSION RESISTING CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| D4978-M | 3/9 Design control — primary reference U.S. Government activity |
NSN 6685-01-144-4384 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-144-4384: FSC Application Data: ENGINE THERMOMETER,ACFT; Scale Name: PRESSURE; Overall Diameter: 6.000 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 12 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.
NSN 6685-01-144-4384 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.