The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-318-6540, 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 19 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 | 6685-01-318-6540 |
| Primary Part Number | 20BCXXX0100A4CBAXX01 |
| 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 Name | DIFFERENTIAL PRESSURE |
| Overall Diameter | 6.000 INCHES NOMINAL IN |
| Actuation Type | BELLOWS |
| Mounting Method | PANEL FLANGE |
| Scale Inscription/background Color | WHITE-BLANK |
| Connection Type | INTERNAL |
| Scale Range | +0.0 TO 100.0 INCHES OF WATER IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | ARC |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2IN. DIA IN |
| Connection Location | TOP BACK AND BOTTOM REAR |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Material | ALUMINUM CASE |
| Material | ALUMINUM LOCATION NOT OTHERWISE SPECIFIED |
| Connection Quantity | 4 |
| Bezel Type | THREAD |
| Connection Size | 7/16-20UNF-2B |
| 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 |
|---|---|
| 20BCXXX0100A4CBAXX01 PRIMARY | Cameron Energy Services Corp. (USA) |
NSN 6685-01-318-6540 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 6685-01-318-6540 has 1 manufacturer part number on file: 20BCXXX0100A4CBAXX01 (Cameron Energy Services Corp.).
Key specifications for 20BCXXX0100A4CBAXX01: Scale Name: DIFFERENTIAL PRESSURE; Overall Diameter: 6.000 INCHES NOMINAL IN; Actuation Type: BELLOWS; Mounting Method: PANEL FLANGE. 19 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.