The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-501-9983, 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 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-501-9983 |
| Primary Part Number | 25-1009-SW-02B-XFF-0-15 |
| 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 | PORM 1% FULL SCALE |
| Scale Name | PRESSURE |
| Overall Diameter | 3.687 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | FLUSH PANEL |
| Scale Smallest Increment | 1.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Reference Data and Literature | BOEING DWG 17G461208 & ASHCROFT DRESSER COMMERCIAL CATALOG |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Mounting Hole Diameter | 0.218 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Nondefinitive Spec/std Data | 1 POLISHED |
| Dial Size | 2-1/2 IN DIA IN |
| Graduation Unit | 10.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 3.312 INCHES NOMINAL IN |
| Connection Location | BACK, LOWER |
| Pointer Color | BLACK |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL CORROSION RESISTING CASE |
| Material | STEEL COMP 316 ACTUATING ELEMENT |
| Usage Design | MEASURES & DISPLAYS DYE INJECTIONPRESSURE |
| 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 |
|---|---|
| 25-1009-SW-02B-XFF-0-15 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 17G461208-41 | 5/2 Secondary reference U.S. Government activity |
NSN 6685-01-501-9983 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 6685-01-501-9983 has 1 manufacturer part number on file: 25-1009-SW-02B-XFF-0-15 (Ashcroft Inc Dba Heise).
Key specifications for 25-1009-SW-02B-XFF-0-15: Mounting Hole Quantity: 3; Scale Accuracy: PORM 1% FULL SCALE; Scale Name: PRESSURE; Overall Diameter: 3.687 INCHES NOMINAL IN. 28 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.