The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-049-8063, 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 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-049-8063 |
| Primary Part Number | EA23PGFRWBO |
| 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 |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1 PCT ABOVE 5 PCT SCALE RANGE |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE CASE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.750 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH PANEL |
| Scale Inscription/background Color | WHITE BACKGROUND,BLACK GRADUATIONS AND MARKINGS |
| Scale Smallest Increment | 2.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.000 TO 160.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Material Document and Classification | QQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 20.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 4.250 INCHES NOMINAL IN |
| Connection Location | BACK |
| Color | GRAY/GREY CASE |
| Pointer Color | BLACK |
| Surface Treatment | ANODIZE AND ENAMEL CASE |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM AND STEEL CASE |
| Material | NICKEL ALLOY K-500 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| 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 |
|---|---|
| SGAA3M10Y-G | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| EA23PGFRWBO PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| MIL-I-18997 | 5/9 Secondary reference U.S. Government activity |
NSN 6685-01-049-8063 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 6685-01-049-8063 has 2 manufacturer part numbers on file: SGAA3M10Y-G (Moeller Instrument Company, Inc. Dba Moeller Instrument Co), EA23PGFRWBO (Ashcroft Inc Dba Heise).
Key specifications for EA23PGFRWBO: Mounting Hole Quantity: 3; Scale Accuracy: 1 PCT ABOVE 5 PCT SCALE RANGE; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE CASE; Scale Name: PRESSURE. 29 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.