The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-641-1535, 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 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-641-1535 |
| Primary Part Number | 25-1009SW-02L-SG-VAC30/PSI |
| 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 |
| Scale Accuracy | 1% FULL SCALE |
| Scale Name | PRESSURE |
| Overall Diameter | 2.5 INCHES NOMINAL IN |
| Mounting Connection Location | LOWER |
| Mounting Method | EXTERNAL PIPE THREAD 1/8 NPT |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND, ALUMINUM |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 15000.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | 304 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Dial Size | 2.5 INCHES IN |
| Connection Location | LOWER |
| Scale Length | 2.45 INCHES NOMINAL IN |
| Pointer Color | BLACK |
| Material | STEEL COMP 304 CASE |
| Connection Quantity | 1 |
| Connection Size | 0.25 INCHES 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 |
|---|---|
| 25-1009SW-02L-SG-VAC30/PSI PRIMARY | Ashcroft Inc Dba Heise (USA) |
| 25-1009SW-02L-SG-VAC30/PSI | Austral-Powerflo Solutionspty Ltd (AUS) |
NSN 6685-01-641-1535 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 6685-01-641-1535 has 2 manufacturer part numbers on file: 25-1009SW-02L-SG-VAC30/PSI (Ashcroft Inc Dba Heise), 25-1009SW-02L-SG-VAC30/PSI (Austral-Powerflo Solutionspty Ltd).
Key specifications for 25-1009SW-02L-SG-VAC30/PSI: Scale Accuracy: 1% FULL SCALE; Scale Name: PRESSURE; Overall Diameter: 2.5 INCHES NOMINAL IN; Mounting Connection Location: LOWER. 20 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.