The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-526-5498, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-526-5498 |
| Primary Part Number | 45-1279-PSH-02L,0-1500PSI |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Scale Accuracy | 1/2% FULL SCALE |
| Scale Name | DIFFERENTIAL PRESSURE |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Inscription/background Color | BLACK FIGURES |
| Scale Smallest Increment | 20.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | INTERNAL |
| Scale Range | +0.0 TO 1500.0 PRESSURE |
| Scale Name for Which Pointer Is Designed | DIFFERENTIAL PRESSURE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 INCH IN |
| Graduation Unit | 200.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Material | NICKEL ALLOY ACTUATING ELEMENT |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | PLASTIC PHENOLIC CASE |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| Connection Size | 1/2 INCH 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 |
|---|---|
| 45-1279-PSH-02L,0-1500PSI PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 45-1279-PS-02L-H,0-1500PSI | 5/9 Secondary reference Ashcroft Inc Dba Heise |
NSN 6685-01-526-5498 is a Gage,differential,dial Indicatin, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-526-5498 has 1 manufacturer part number on file: 45-1279-PSH-02L,0-1500PSI (Ashcroft Inc Dba Heise).
Key specifications for 45-1279-PSH-02L,0-1500PSI: Scale Accuracy: 1/2% FULL SCALE; Scale Name: DIFFERENTIAL PRESSURE; Actuation Type: BOURDON TUBE; Mounting Method: FLUSH. 23 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.