The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-356-7844, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-356-7844 |
| Primary Part Number | EA24-3B34-LWBX |
| 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 |
| Scale Name | PRESSURE-VACUUM |
| Actuation Type | ANY ACCEPTABLE |
| Scale Name for Which Pointer Is Designed | PRESSURE-VACUUM |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Specification/standard Data | 64467-SA24-3AA4-LWBX -1 TO 2 BAR PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Dial Size | 4 1/2 IN. IN |
| Connection Quantity | 1 |
| 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 |
|---|---|
| EA24-3B44-LWX-1/0/3BAR | Weksler Glass Thermometer Corp (USA) |
| EA24-3B34-LWBX PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| SA24-3AA4-LWBX -1/+2 BAR | 5/9 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-356-7844 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 6685-01-356-7844 has 2 manufacturer part numbers on file: EA24-3B44-LWX-1/0/3BAR (Weksler Glass Thermometer Corp), EA24-3B34-LWBX (Ashcroft Inc Dba Heise).
Key specifications for EA24-3B34-LWBX: Scale Name: PRESSURE-VACUUM; Actuation Type: ANY ACCEPTABLE; Scale Name for Which Pointer Is Designed: PRESSURE-VACUUM; Pointer Type: INDICATING. 8 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.