The Transmitter,pressure, cataloged under National Stock Number 6685-01-031-8827, 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 Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-031-8827 |
| Primary Part Number | 11CH25 |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| Actuation Method | BELLOWS |
| Mechanical Connection Quantity | 3 |
| Mounting Method | INTERNAL THREAD |
| Overall Thickness | 8.062 INCHES NOMINAL IN |
| Mechanical Connection Type | INTERNAL PIPE |
| Mechanical Connection Size | 1/4 IN. DIA IN |
| Mounting Device Quantity | 1 |
| Measurement Range | +0.0 TO 25.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 11CH25 | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| Reference | Meaning |
|---|---|
| 11CH25 | 3/9 Design control — primary reference General Regulator Corp. Dba Accudriv |
NSN 6685-01-031-8827 is a Transmitter,pressure, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-031-8827 has 1 manufacturer part number on file: 11CH25 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
Key specifications for 11CH25: Actuation Method: BELLOWS; Mechanical Connection Quantity: 3; Mounting Method: INTERNAL THREAD; Overall Thickness: 8.062 INCHES NOMINAL IN. 8 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.