The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-526-8313, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-526-8313 |
| Primary Part Number | EA233LTPRWBX |
| 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 | BOURDON TUBE |
| Scale Smallest Increment | 10.0 INCHES OF MERCURY (INHG) AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES HG AND +0.0 TO 300.0 POUNDS PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3 1/2IN IN |
| Graduation Unit | 10.0 INCHES OF MERCURY AND 50.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Pointer Color | BLACK AND RED |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 9-16/18UNION O-RING FITTING |
| 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 |
|---|---|
| EA233LTPRWBX PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| MIL-G-18997E | 5/9 Secondary reference U.S. Government activity |
| SC3MC3HCWRANAG | 5/9 Secondary reference U.S. Government activity |
NSN 6685-01-526-8313 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 6685-01-526-8313 has 1 manufacturer part number on file: EA233LTPRWBX (Ashcroft Inc Dba Heise).
Key specifications for EA233LTPRWBX: Scale Name: PRESSURE-VACUUM; Actuation Type: BOURDON TUBE; Scale Smallest Increment: 10.0 INCHES OF MERCURY (INHG) AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS; Connection Type: EXTERNAL. 16 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.