The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-117-9653, 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 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-117-9653 |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Accuracy | 2 TO 3 PCT FULL RANGE |
| Scale Name | DIFFERENTIAL PRESSURE |
| Actuation Type | PISTON |
| Connection Type | INTERNAL |
| Scale Range | +0.0 TO 10.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN. DIA IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Material | PLASTIC CASE |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM AND COPPER ALLOY ACTUATING ELEMENT |
| Connection Quantity | 3 |
| Connection Size | 0.250 FNPT IN. DIA |
| 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 |
|---|---|
| G512EN | 7/1 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 120-AA-00-00 RANGE 0-10PSI | 3/9 Design control — primary reference Astra Associates Inc |
NSN 6685-01-117-9653 is a Gage,differential,dial Indicatin, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-117-9653: Scale Accuracy: 2 TO 3 PCT FULL RANGE; Scale Name: DIFFERENTIAL PRESSURE; Actuation Type: PISTON; Connection Type: INTERNAL. 17 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.