The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-425-2603, 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 Bellofram Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-425-2603 |
| Primary Part Number | G11873 |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Scale Name | INCHES OF WATER AND KILOPASCALS |
| Overall Diameter | 2.940 INCHES NOMINAL IN |
| Actuation Type | PRESSURE SENSING ELEMENT |
| Mounting Method | BRACKET(S) |
| Scale Inscription/background Color | WHITE FACE W/BLACK INSCRIPTION. |
| Scale Smallest Increment | 0.2 INCHES AND 0.5 HECTOPASCAL IN |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 15.0 INCHES OF WATER AND -35.0 TO 0.0 HECTOPASCAL IN |
| Pointer Type | REFERENCE |
| Scale Type | CONCENTRIC ARC DIAL |
| Connector Type Vent | NOT PROVIDED |
| Graduation Unit | 3.0 INCHES AND 5.0 HECTOPASCAL IN |
| Connection Location | BACK, CENTER |
| Pointer Color | BLACK |
| Unable to Decode | UNABLE TO DECODE |
| Usage Design | DIFFERENTIAL PRESSURE GAUGE. |
| Connection Quantity | 1 |
| Connection Size | 1/4 IN. NPT. 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 |
|---|---|
| G11873 PRIMARY | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| X9167485 | 5/9 Secondary reference U.S. Government activity |
| G11873 | 5/9 Secondary reference Liftec Inc Div Liftec, Inc. |
| X9167485 | 5/1 Secondary reference U.S. Government activity |
NSN 6685-01-425-2603 is a Gage,differential,dial Indicatin, manufactured by Bellofram Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-425-2603 has 1 manufacturer part number on file: G11873 (Bellofram Corporation).
Key specifications for G11873: Scale Name: INCHES OF WATER AND KILOPASCALS; Overall Diameter: 2.940 INCHES NOMINAL IN; Actuation Type: PRESSURE SENSING ELEMENT; Mounting Method: BRACKET(S). 18 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.