The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-062-4499, 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 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-062-4499 |
| Primary Part Number | BA13PCE4RWB |
| Item Name | Gage,compound Pressure-Vacuum,di |
| 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 PCT ACCURACY RATING MIDDLE HALF OF SCALE,1-1/2 PCT REMAINDER |
| Scale Name | PRESSURE AND VACUUM |
| Overall Diameter | 4.730 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | SURFACE WALL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 5.0 INCHES AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Supplementary Features | PHOSPHOR BRONZE ACTUATIING ELEMENT |
| Scale Range | +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 150.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Scale Name for Which Pointer Is Designed | PRESSURE-VACUUM |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | MULTIPLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 30.0 INCHES AND 15.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 4.250 INCHES NOMINAL IN |
| Connection Location | BACK, LOWER |
| Pointer Color | BLACK |
| Material | PLASTIC CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. NPT DIA 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 |
|---|---|
| BA13PCE4RWB PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 20767 | 5/9 Secondary reference U.S. Government activity |
| 35-5009-30X150 | 5/9 Secondary reference Ametek, Inc. Div Aerospace & Defense |
| E20767 | 5/9 Secondary reference U.S. Government activity |
NSN 6685-00-062-4499 is a Gage,compound Pressure-Vacuum,di, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-062-4499 has 1 manufacturer part number on file: BA13PCE4RWB (Ashcroft Inc Dba Heise).
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-802-2237, 6110-01-307-6518, 4730-01-517-1069. Verify interchangeability with system specifications before substitution.
Key specifications for BA13PCE4RWB: Mounting Hole Quantity: 3; Scale Accuracy: 1 PCT ACCURACY RATING MIDDLE HALF OF SCALE,1-1/2 PCT REMAINDER; Scale Name: PRESSURE AND VACUUM; Overall Diameter: 4.730 INCHES NOMINAL IN. 26 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.