The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-468-4983, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-468-4983 |
| Primary Part Number | 628-20779 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Actuation Type | BROWN TUBE |
| Mounting Connection Location | ANY ACCEPTABLE |
| Mounting Method | FLUSH FLANGE |
| Scale Smallest Increment | 2.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN DIA IN |
| Graduation Unit | 20.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 2.695 INCHES NOMINAL IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Connection Quantity | 1 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 633866-01 | Bae Systems Controls Inc. (USA) |
| PL405650-01-01 FIND NO M6 | Bae Systems Controls Inc. (USA) |
| 628-20779 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
NSN 6685-01-468-4983 is a Gage,pressure,dial Indicating, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-468-4983 has 3 manufacturer part numbers on file: 633866-01 (Bae Systems Controls Inc.), PL405650-01-01 FIND NO M6 (Bae Systems Controls Inc.), 628-20779 (Phaostron Instrument and Electronic Company).
Key specifications for 628-20779: Mounting Hole Quantity: 3; Actuation Type: BROWN TUBE; Mounting Connection Location: ANY ACCEPTABLE; Mounting Method: FLUSH FLANGE. 19 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.