The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-010-9312, 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 Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-010-9312 |
| Primary Part Number | EA243CFFEWBX |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1 PCT ENTIRE RANGE |
| Scale Name | PRESSURE-VACUUM |
| Overall Diameter | 4.969 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 5.0 INCHES OF MERCURY (INHG) IN |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Scale Name for Which Pointer Is Designed | PRESSURE-VACUUM |
| Pointer Type | INDICATING AND REFERENCE |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN. DIA IN |
| Graduation Unit | 30.0 INCHES OF MERCURY AND 20.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 5.376 INCHES NOMINAL IN |
| Connection Location | LOWER LEFT HAND SIDE |
| Pointer Color | BLACK AND RED |
| Surface Treatment | ENAMEL CASE |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. DIA FLARLESS TUBE 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 |
|---|---|
| EA243CFFEWBX PRIMARY | Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc (USA) |
| Reference | Meaning |
|---|---|
| SA243CFFEWBX | 5/9 Secondary reference Weksler Glass Thermometer Corp |
| SA2-4-3CFFEWBX | 5/9 Secondary reference Weksler Glass Thermometer Corp |
| SA24-3CFFEWBX | 5/9 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-010-9312 is a Gage,compound Pressure-Vacuum,di, manufactured by Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-010-9312 has 1 manufacturer part number on file: EA243CFFEWBX (Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc).
Key specifications for EA243CFFEWBX: Mounting Hole Quantity: 3; Scale Accuracy: 1 PCT ENTIRE RANGE; Scale Name: PRESSURE-VACUUM; Overall Diameter: 4.969 INCHES NOMINAL IN. 24 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.