The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-237-2559, 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 Moeller Instrument Company, Inc. Dba Moeller Instrument Co. Government technical data includes 23 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-237-2559 |
| Primary Part Number | SCV3M5N-G 30/0/150 R12 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Moeller Instrument Company, Inc. Dba Moeller Instrument Co |
| Status | ACTIVE |
| Scale Accuracy | PORM 1 PCT FULL SCALE |
| Scale Name | PRESSURE-VACUUM |
| Overall Diameter | 3.969 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | SURFACE |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 5.0 INCHES AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES AND +0.0 TO 150.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING AND REFERENCE |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 30.0 INCHES AND 25.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Pointer Color | BLACK AND RED |
| Surface Treatment | PAINT EPOXY CASE |
| Material | NICKEL ALLOY ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. NPT 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 |
|---|---|
| EQ233FHPRWBX | Ashcroft Inc Dba Heise (USA) |
| SCV3M5N-G 30/0/150 R12 PRIMARY | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| SQ23-3FHP-RWBX | 5/9 Secondary reference Weksler Glass Thermometer Corp |
| EQ233FHPRWBX | 5/9 Secondary reference Weksler Glass Thermometer Corp |
| R12G3MIC3HPWRAN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 90C01-6462 | C/1 Advisory reference — outside the item-of-supply concept Carrier Corp |
NSN 6685-01-237-2559 is a Gage,pressure,dial Indicating, manufactured by Moeller Instrument Company, Inc. Dba Moeller Instrument Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-237-2559 has 2 manufacturer part numbers on file: EQ233FHPRWBX (Ashcroft Inc Dba Heise), SCV3M5N-G 30/0/150 R12 (Moeller Instrument Company, Inc. Dba Moeller Instrument Co).
Key specifications for SCV3M5N-G 30/0/150 R12: Scale Accuracy: PORM 1 PCT FULL SCALE; Scale Name: PRESSURE-VACUUM; Overall Diameter: 3.969 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 23 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.