The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-00-559-2728, 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 Cameron Energy Services Corp.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-559-2728 |
| Primary Part Number | 19BCXXX0X50E5BXXXX03 |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Cameron Energy Services Corp. |
| Status | ACTIVE |
| Scale Accuracy | 1 PCT FULL RANGE |
| Scale Name | DIFFERENTIAL PRESSURE |
| Overall Diameter | 5.594 INCHES NOMINAL IN |
| Actuation Type | BELLOWS |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Connection Type | INTERNAL |
| Scale Range | +0.0 TO 50.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN. DIA IN |
| Connection Location | BOTTOM AND TOP |
| Pointer Color | BLACK |
| Surface Treatment | PAINT CASE |
| Surface Treatment | PAINT EPOXY LOCATION NOT OTHERWISE SPECIFIED |
| Unable to Decode | UNABLE TO DECODE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM CASE |
| Material | ALUMINUM LOCATION NOT OTHERWISE SPECIFIED |
| Connection Quantity | 4 |
| Bezel Type | HINGE |
| Connection Size | 0.438 IN. UNF DIA 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 |
|---|---|
| 19BCXXX0X50E5BXXXX03 PRIMARY | Cameron Energy Services Corp. (USA) |
| Reference | Meaning |
|---|---|
| 19BCXXX0X50E5BXXXX02 | 5/9 Secondary reference Cameron Energy Services Corp. |
| D4-224E005SHT6 | 5/1 Secondary reference Cameron Energy Services Corp. |
| 19BCXXX0X50E5BXXXX01 | 5/9 Secondary reference Cameron Energy Services Corp. |
NSN 6685-00-559-2728 is a Gage,differential,dial Indicatin, manufactured by Cameron Energy Services Corp., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-559-2728 has 1 manufacturer part number on file: 19BCXXX0X50E5BXXXX03 (Cameron Energy Services Corp.).
1 possible match (shared part number, not a government interchangeability claim): 6685-00-559-2731. Verify interchangeability with system specifications before substitution.
Key specifications for 19BCXXX0X50E5BXXXX03: Scale Accuracy: 1 PCT FULL RANGE; Scale Name: DIFFERENTIAL PRESSURE; Overall Diameter: 5.594 INCHES NOMINAL IN; Actuation Type: BELLOWS. 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.