The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-070-3491, 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 Ashcroft Inc Dba Heise. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-070-3491 |
| Primary Part Number | 45-1377ASGT102B300 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1/2 OF 1 PERCENT OF FULL SCALE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 6.062 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Connection Location | BACK, LOWER |
| Mounting Method | FLUSH FLANGE |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 30.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.000 TO 300.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.094 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | PROVIDED |
| Dial Size | 4.500 IN. DIA IN |
| Graduation Unit | 10.000 POUNDS LBS |
| Bolt Circle Diameter | 4.875 INCHES NOMINAL IN |
| Connection Location | BACK, LOWER |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL LUSTERLESS CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Material | ALUMINUM ALLOY AND STEEL CASE |
| Connection Quantity | 1 |
| Bezel Type | HINGE |
| Connection Size | 0-190 IN. UNC 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 |
|---|---|
| 45-1377ASGT102B300 PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-070-3491 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-070-3491 has 1 manufacturer part number on file: 45-1377ASGT102B300 (Ashcroft Inc Dba Heise).
Key specifications for 45-1377ASGT102B300: Mounting Hole Quantity: 3; Scale Accuracy: 1/2 OF 1 PERCENT OF FULL SCALE RANGE; Scale Name: PRESSURE; Overall Diameter: 6.062 INCHES NOMINAL IN. 29 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.