The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-668-8977, 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 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-668-8977 |
| Primary Part Number | EA243CFPLWBX |
| 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 | PLLUS OR MINUS 1.0 PERCENT |
| Scale Name | INCHES OF MERCURY AND POUNDS PER SQUARE INCH |
| Overall Diameter | 150.0 MILLIMETERS NOMINAL MM |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BACK |
| Mounting Method | FLANGE |
| Connection Type | EXTERNAL |
| Scale Range | -30.0 TO 200.0 POUNDS PER SQUARE INCH LBS |
| Mounting Hole Diameter | 6.0 MILLIMETERS NOMINAL MM |
| Adjustability | ADJUSTABLE |
| Scale Type | CIRCULAR |
| Dial Size | 4.5 INCHES IN |
| Graduation Unit | 2.0 POUNDS PER SQUARE INCH AND 5.0 INCHES OF MERCURY LBS |
| Bolt Circle Diameter | 136.0 MILLIMETERS NOMINAL MM |
| Connection Location | BOTTOM |
| Color | GRAY/GREY CASE |
| Surface Treatment | ENAMEL CASE |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Connection Size | 9/16-18 UNF-3A UNION O RING TYPE WITH O RING TAILPIECE AND UNION NUT A |
| 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 |
|---|---|
| EA243CFPLWBX PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-668-8977 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 6685-01-668-8977 has 1 manufacturer part number on file: EA243CFPLWBX (Ashcroft Inc Dba Heise).
Key specifications for EA243CFPLWBX: Overall Height: 172.0 MILLIMETERS NOMINAL MM; Scale Accuracy: PLLUS OR MINUS 1.0 PERCENT; Scale Name: INCHES OF MERCURY AND POUNDS PER SQUARE INCH; Overall Diameter: 150.0 MILLIMETERS NOMINAL MM. 21 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.